Technical Annual Status Report (Stage 2) for the CLRTAP Inventory Review: Synthesis and Assessment Country report

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TIME SERIES

Party: GB      Submission year: 2025

The aim of this test is to identify instances of dips, jumps, and sudden changes in time series data reported by countries. The analysis was limited to data provided in NFR02, NFR09, NFR14 and NFR19 reporting format. Only data reported for at least three years were considered. Years where only NFR02 or NFR09 sectors were available have been converted to NFR14/NFR19. Only the converted sectors are in the time series analysis.

The table below shows data, where outliers in the time series were identified based on the following methodology: Reported time series data were log 10-transformed prior to analysis to reduce intra-series variability and improve general time series linearity. A linear regression was subsequently applied to the log-transformed values for each time series.

An individual value within the time series was identified as a dip/jump if the respective residual value (regression forecast value - reported value) is more than 2 standard deviations from the mean of all residuals in the time series. Only time series where the flagged data value contributed a significant fraction (>3%) of the national total for the given year are included in this dataset for expert review.

Time series where sigma grow largely (i.e. more than 20% of the time series mean value) because of extreme variation in the emission data are also flagged. Zero values indicate small numbers rounded to zero.

The test was performed for the following time series (if data was available):
Main pollutants: 1990 – 2023
HMs and POPs: 1990 - 2023
PMs: 2000 - 2023

If there is a number and a notation key reported, the difference is the number.

Color Key
	Indicates a dip in the time series data
	Indicates a jump in the time series data
	Indicates time series data with large sigma

MAIN (Unit = Mg)

		1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
NOx	1A2f	88210	73354	67813	68519	77235	73473	52872	54540	57075	48936	45288	37281	35481	37712	38929	38158	33350	31185	21721	12529	15607	17799	18143	18231	16193	18995	14964	15433	17185	15028	13599	11610	10955	10937
NOx	1A2gviii	96922	112083	105425	96764	89074	84547	87926	80533	86683	84159	88465	84059	65154	67103	65414	70929	63418	60127	55128	46859	50128	49694	48772	53746	52791	49966	51794	53344	56168	50103	47656	48803	51637	50129
NOx	1A3ai(ii)	63859	61854	68056	73234	76523	81475	86677	93679	105302	115272	128575	125925	124490	128073	140927	153142	156773	156615	154877	153252	152691	154715	152443	157076	156445	160168	159215	173919	173116	175465	76576	70207	142287	170321
NMVOC	11C	91870	91510	91431	91422	91668	92538	91967	91607	91360	91549	91529	91642	91578	96305	91541	91636	91822	91509	91388	91472	91603	91561	91216	91389	91273	91315	91278	91310	91490	91310	91348	91348	91526	91287
NMVOC	2D3a	152927	158883	153718	149908	146177	148740	149439	140213	140715	140674	142539	154305	147948	157712	158597	162603	164404	163287	170679	168391	176907	166599	171488	176777	172320	178116	177065	176529	182245	179463	214323	188760	170176	171463
NMVOC	2D3i	66685	64283	60543	58566	58457	55916	57199	55178	52849	50283	47754	45898	42573	43319	42350	43085	44375	44981	40467	35281	37701	35682	34700	34675	33889	34314	33958	33422	32865	38694	30277	31245	30030	29607
SOx	1A2f	47106	39588	36541	36932	41722	47265	31813	34658	32426	30600	25424	23412	25562	24016	21760	19972	14658	12160	8238	4099	4305	6113	6856	6956	4694	5484	4862	4247	5265	5431	4518	3017	2655	2669
SOx	1A2gviii	165335	199118	232748	202497	154736	134157	119858	93412	93202	78062	74032	78786	64748	63500	64609	70079	63946	58838	61647	60912	68738	58067	66998	71845	53103	35861	30961	30574	30583	22249	20800	19929	17081	17882
SOx	1A3ai(ii)	2677	3506	4858	4163	5448	4639	4914	6541	7288	5537	6287	6809	5512	6501	7703	8329	10002	8921	9559	8047	8156	8613	12018	11491	14421	15555	15835	17197	17005	16771	7097	1756	3749	5863
SOx	NATIONALTOTAL	3522871	3463879	3359543	3043379	2761407	2474111	2092128	1693154	1699152	1305968	1251694	1183785	1069140	1042981	875395	760144	719494	626294	524205	435640	443172	413242	460885	406291	313849	246261	174105	167243	152554	129484	109792	101249	100144	95078
SOx	NTCOMPL(NECD)	3522871	3463879	3359543	3043379	2761407	2474111	2092128	1693154	1699152	1305968	1251694	1183785	1069140	1042981	875395	760144	719494	626294	524205	435640	443172	413242	460885	406291	313849	246261	174105	167243	152554	129484	109792	101249	100144	95078
SOx	NTCOMPLIANCE	3522871	3463879	3359543	3043379	2761407	2474111	2092128	1693154	1699152	1305968	1251694	1183785	1069140	1042981	875395	760144	719494	626294	524205	435640	443172	413242	460885	406291	313849	246261	174105	167243	152554	129484	109792	101249	100144	95078
CO	1A1a	112680	110633	107871	98255	105680	104488	102590	43063	60535	53083	64392	67031	64748	69876	71233	73161	79603	80180	78269	68808	71944	72627	84808	80650	68355	60159	39860	37055	48152	36324	40742	44649	36154	32922
CO	1A2gvii	308227	295899	288535	285023	283925	279003	273583	470314	503934	361698	444782	373663	317898	317730	340479	424855	456478	595114	286159	250029	267623	281700	288556	253334	263336	264448	249240	292890	298643	269283	266185	281385	290116	295936
CO	1A3dii	17538	17811	18563	19468	21305	22415	23259	23747	24669	25584	25593	25838	27363	28204	29169	30194	31038	32366	33274	34335	34879	35099	34371	35528	36842	38265	38782	41206	42007	44287	36238	41354	44676	45859

PM (Unit = Mg)

		2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
PM2.5	11B	235	200	131	209	185	185	185	185	185	185	376	2555	125	444	259	415	237	296	296	296	296	296	296	296
PM2.5	11C	5782	5899	6009	6845	6112	6150	6302	6256	6159	6135	6100	6102	5986	6074	6196	6325	6459	6559	6655	6678	5276	5890	6458	6515
PM2.5	1A3bvi	6017	6164	6300	6459	6577	6571	6766	6878	6870	6791	6710	6736	6745	6813	7003	7261	7274	7369	7401	7642	5952	6747	7369	7349
PM2.5	1A3bvi(fu)	6111	6177	6335	6414	6510	6519	6615	6700	6620	6495	6426	6413	6412	6434	6614	6735	6874	6957	6972	7029	5718	6328	6710	6745
PM2.5	1A3bvii	2485	2546	2597	2662	2718	2715	2799	2845	2849	2799	2765	2769	2771	2802	2877	2990	2996	3038	3049	3157	2452	2790	3076	3095
PM2.5	1A3bvii(fu)	2537	2567	2625	2656	2701	2703	2747	2782	2750	2688	2663	2650	2646	2658	2730	2786	2843	2878	2885	2911	2366	2626	2805	2840
PM2.5	5E	2820	2925	2880	2954	2681	2606	2564	2467	2286	2160	2026	1984	1888	1881	1831	1841	1856	1839	1832	1800	1318	1769	1798	1782
PM10	11C	19532	19849	20278	21388	20660	20716	21100	21180	20941	20792	20569	20609	20476	20646	21157	21569	22059	22379	22571	22788	17927	20043	21865	22244
PM10	1A3bvi	11722	12005	12268	12582	12804	12792	13168	13383	13362	13216	13056	13103	13117	13242	13610	14101	14118	14292	14345	14798	11516	13037	14206	14129
PM10	1A3bvi(fu)	11900	12026	12332	12489	12669	12688	12870	13033	12875	12636	12498	12470	12464	12500	12849	13074	13336	13488	13508	13606	11057	12224	12935	12967
PM10	1A3bvii	4601	4715	4810	4929	5034	5027	5183	5268	5275	5184	5121	5129	5131	5190	5328	5537	5547	5626	5646	5847	4541	5167	5697	5732
PM10	1A3bvii(fu)	4699	4753	4862	4919	5002	5006	5088	5152	5092	4978	4931	4908	4900	4922	5056	5160	5264	5329	5343	5391	4382	4863	5194	5259
TSP	11C	38206	38807	39660	41432	40415	40509	41229	41440	40992	40687	40226	40312	40110	40415	41437	42236	43204	43827	44170	44628	35089	39240	42780	43564
TSP	1A3bvi	14823	15184	15518	15911	16200	16185	16666	16940	16920	16728	16527	16590	16613	16779	17247	17880	17911	18144	18220	18812	14651	16604	18130	18075
TSP	1A3bvi(fu)	15054	15216	15604	15799	16034	16058	16294	16502	16306	15998	15826	15795	15790	15843	16288	16584	16925	17128	17163	17301	14072	15573	16509	16588
TSP	1A3bvii	9202	9430	9620	9858	10068	10054	10366	10536	10551	10367	10241	10257	10261	10379	10656	11075	11095	11252	11293	11694	9081	10334	11394	11464
TSP	1A3bvii(fu)	9398	9506	9724	9838	10004	10011	10175	10304	10185	9957	9862	9816	9801	9844	10112	10320	10529	10659	10686	10782	8763	9727	10389	10517
BC	1A3bvi	1346	1362	1397	1413	1436	1438	1461	1480	1463	1434	1420	1418	1419	1425	1466	1495	1528	1549	1555	1571	1281	1422	1515	1532
BC	1A3bvi(fu)	1346	1362	1397	1413	1436	1438	1461	1480	1463	1434	1420	1418	1419	1425	1466	1495	1528	1549	1555	1571	1281	1422	1515	1532
BC	5C1bv	10	1395	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
BC	5E	1184	1229	1210	1241	1126	1095	1077	1036	960	907	851	833	793	790	769	773	779	772	769	756	554	743	755	749

HM (Unit = g)

		1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
Pb	1A1a	142893453	138458001	143366890	134846814	155243651	125990318	98666088	64461141	21808741	16623959	17497427	14663884	12083059	11661622	12794213	9962882	9817303	2328811	1901485	2195292	3055261	2520203	4845296	3733159	2643591	2897188	2566113	2377151	2087972	2089426	2158417	2043620	2267047	2233448
Pb	1A2f	4960009	4387811	4155159	4184702	4552655	4515605	4577179	4708101	4761995	4971553	3332989	2412180	7641142	4322963	8714006	3637828	881637	1604556	1761868	872675	688815	1632786	2890857	2263846	1811444	2844134	1199704	2419859	2175111	1679115	1453462	741943	989934	529214
Pb	1A3aii(i)	15997758	15298250	17361170	16098745	18833135	19160029	21656669	25504873	24524293	30763600	37059000	41913577	34101824	32194461	35224568	35506366	30582583	21472394	19286092	13774525	14429154	14189597	11968342	10474771	12447226	7930542	8557199	8586088	7686522	5796370	1382336	8323698	9917322	10895169
Pb	1A3bi	1920847951	1720239851	1543992072	1368932033	1163059451	959259857	818745325	713943986	524678942	279033182	1312936	1117081	1047250	1009218	988677	1016984	990080	623061	594998	566409	525030	499587	477462	454376	444531	428469	431902	424410	416476	418321	321669	356845	386186	403625
Pb	1A3bii	199151247	174583666	145105448	121225960	98229406	75334123	60185536	49157274	33049915	15467687	65260	48568	39642	34933	31182	29406	26140	16458	15487	13872	12853	12037	11510	10851	10691	10261	10343	10067	9698	8966	8071	8659	8723	8787
Pb	1A3bvi	41428859	41710409	41614152	41803764	42655241	43486160	44492173	45324747	46231377	47155055	47156241	47626306	48831471	49494970	50136737	50214299	50885983	51501587	50855393	49955774	49375524	49231546	49175475	49249535	50605272	51402566	52356116	52852457	52845677	53107647	43040701	47441406	49921745	49701546
Pb	1A5b	124879	108935	102762	100221	95006	94178	93041	91696	75806	77099	72559	70879	71455	75465	75721	1721225	1730516	1732801	1723861	1783898	506229	148606	129750	355979	154458	42982	37136	886386	1012068	5501944	5414705	1960606	959461	690017
Pb	2B10a	93111183	93168792	93236566	93287397	93402614	80227998	69609142	108877486	84610322	26068080	10570304	13094861	10221192	12597043	13821738	13846792	3913909	2879516	3548933	3951831	3818329	3957871	4270815	2031712	3075626	3833524	4727478	3658003	3320528	3377053	3130578	2023103	1790090	2014192
Pb	2C1	59660256	54777741	54830213	55606285	57047686	58578953	58623761	60750231	56500647	51779560	49796520	44125207	35969197	40214116	36855471	41770806	37832877	36645739	34337050	23609526	22375254	21356062	22417686	24614290	29129750	27432126	20172101	18728261	20040423	17980673	17196905	36420231	45078492	35517674
Pb	2C5	7740577	7415785	8048621	8348546	8148920	7587166	8129200	6740417	6555745	5423159	5586705	9090965	9962151	7572001	3813929	1519802	1410782	1838324	1326674	1785577	1548093	1393888	1986888	1289070	1645692	1615663	986357	1167574	715600	411582	330434	475972	1074014	919187
Pb	2C7a	11577417	7173291	4911217	5321639	5566466	6040063	6421241	10388943	5813538	6867182	7691888	7660780	5521323	1757937	3372668	1501614	4300843	2478298	985434	295735	82017	82017	82017	79873	78689	142842	142842	142845	142880	142890	142836	142862	142845	142841
Pb	2C7c	72792356	62819387	67814334	65531570	56349908	47492066	39091465	31097846	23327503	14804846	9600277	8670287	8089948	7208541	6910329	6559512	5569666	5018275	5177236	2591739	3926727	4661065	3547550	4214840	4024931	3667549	3931629	3563069	4130825	3059694	3322808	3764979	3134564	2668365
Pb	2I	4127801	4127801	4127801	4127801	4127801	4127801	4127801	4127801	4127801	4127801	4127801	4127801	4127801	4127801	4127801	2536618	2840618	4423070	3995616	2548546	3624235	4177546	4479000	2710000	4348000	4708975	5009888	4403400	1616445	3863392	4274292	5376317	2624119	2738102
Pb	5C1a	304415008	303789864	290277431	217642449	131644796	96980795	62779644	339228	3718	3690	2821
Cd	1A1a	4885335	4591144	4655864	2195328	2127662	1511521	1320708	663469	741494	672397	447920	610069	580600	604436	710760	844369	845793	165826	112262	187531	132945	162057	174778	164851	198190	154141	168557	140320	141120	133691	134746	195151	127775	150381
Cd	1A2c	411046	467451	470673	443632	379337	254230	208424	158308	135087	49559	71402	53777	41620	35339	35141	40085	36005	37158	45024	20512	26894	28580	14476	11163	11135	2240	20474	14756	15982	39646	33716	38082	34354	35244
Cd	1A2d	79659	96296	107841	95188	93699	64900	47552	33784	26691	22855	17982	35125	43228	62777	82076	103919	119311	44568	30176	25074	51144	66539	55724	76813	138760	201292	232868	208915	231490	209398	209564	158098	211075	207854
Cd	1A2gviii	759261	1002464	928539	722863	603794	486757	433793	269400	306193	226610	202589	265160	197982	224860	306466	410603	365322	282174	263928	269365	460563	302732	218338	252335	385623	441836	402863	596598	669117	563548	736290	888704	824482	666438
Cd	1A3bvi	178918	180085	179665	180623	184393	188073	192560	196302	200287	204286	204370	206461	211696	214502	217413	217744	220746	223462	220703	216719	214261	213696	213510	213951	219881	223512	227802	230133	230260	231616	187925	207396	218747	218415
Cd	1A4ai	1128909	1326345	1340438	450611	482435	384483	315973	234353	180736	178679	112723	147346	91886	79627	66668	68762	66687	58214	68981	79167	102994	85974	62506	50104	36277	46277	56947	93325	131829	121611	128749	137102	148032	145270
Cd	1A4bi	519126	558464	526303	579044	538657	449041	451989	416770	390142	380381	354243	353790	312761	290283	299110	293827	311480	262349	204960	215768	279501	252951	288917	344898	320629	365862	391919	421424	472442	472716	504721	554175	551333	572473
Cd	2C1	1400661	1308505	1290573	1306436	1348539	1379499	1408507	1448159	1368244	1180335	1062287	973365	802562	910040	918200	937703	942893	951732	903052	661510	594362	1046597	650706	732657	984705	701217	424693	494195	518581	427074	373349	591054	731403	573182
Cd	2C5	354808	335027	373570	391838	379679	345465	378478	220140	252253	180498	150417	79993	104321	73337	49093	14191	14145	35023	51423	14291	24320	35353	31341	14760	14999	17672	14127	9305	9040	5163	2798	5486	5747	10288
Cd	2C6	2368323	2453851	2419446	2569067	2401056	2401072	1684035	2298035	979989	1253035	1052035	831035	979035	242486	1335	1005	1005	1005	1005	705	696	660	634	710	763	738	698	713	727	676	623	637	626	561
Cd	2C7a	273998	199228	169174	177781	197386	207331	212224	131173	169054	183046	260932	87914	112397	65872	52446	24297	33169	22089	14845	10450	11623	4942	4942	5084	4793	4449	1600	3517	1600	1600	1600	3245	900	900
Cd	2C7c	1384161	1195799	1287981	1245176	1074337	909620	752813	604111	459202	318551	221539	179543	188618	155673	142283	129245	149823	104482	118765	55958	118870	103188	95379	106101	98916	86839	88592	58201	73630	55978	60139	69847	50003	42782
Cd	2G	1847047	1818955	1766350	1820213	1829318	1782877	1831603	1842900	1729254	1760478	1762734	1779857	1824490	1834784	1838105	1827822	1842779	1836799	1818016	1815010	1789502	1777390	1774899	1751366	1783974	1802097	1830296	1846137	1841855	1848671	1493994	1639162	1741989	1692176
Cd	3F	2702587	2376949	1738721	58087
Cd	5C1a	9952029	9931592	9489839	818814	648462	368692	140090	898	722	340	307
Hg	1A1a	9127662	8994720	8834415	4886728	4689669	4392935	2759854	2155428	2277834	1630835	1622954	1727289	1532633	1901302	1736840	2288523	2213416	2200146	1803350	1272982	1450290	1302361	1803564	1588488	1322426	1221199	872874	752332	732915	590031	680893	779576	644890	636810
Hg	1A1b	27541	30003	33642	35478	35619	35035	35814	36644	37168	35448	36539	40065	39562	39316	49250	57330	47903	67503	60333	81760	314281	63149	46280	87184	41383	40254	41437	38170	50018	39107	35021	26082	54297	52243
Hg	1A2f	198723	168734	157897	159303	177593	175692	180455	119757	484283	256943	261829	229160	252691	240688	245401	300407	235752	281470	270935	200551	248843	245803	256798	245454	210730	171666	171346	181504	310821	243851	282710	310630	309394	325319
Hg	1A2gviii	1100268	1095910	1250208	753909	607388	748846	493901	558440	532063	512513	678168	478418	642799	486497	455032	458294	450376	354028	739085	800665	653292	586719	698936	974955	870175	688980	632301	559612	561598	474634	404724	373740	327924	360769
Hg	1A3bi	192156	191013	194294	195384	191664	187701	194385	194056	192498	195531	193969	193580	196976	192481	192290	190134	187166	185095	180638	174108	167381	163393	160640	157044	157144	155186	158659	158365	155763	153990	117773	129053	135462	137554
Hg	1A4ai	1326275	1450292	1353294	531534	460861	368379	350776	396598	271506	255159	205227	208551	134011	123041	120808	148171	123313	114352	117278	137867	137030	121605	124761	125962	118899	59152	61010	61330	63059	57834	58615	68295	61140	55806
Hg	2B10a	8001722	8804498	7349764	3210213	3515764	4132805	2345569	1090509	1202391	1438182	1394448	1442790	1243940	1228680	1181320	1142007	1321672	880370	951040	794040	811040	681340	374340	407340	365340	300040	120740	170740	225740	121740	740	740	755	770
Hg	2C1	534095	500840	494600	497202	511237	524445	534799	550098	521827	526648	509540	454835	379509	587527	420382	480480	610903	677809	433387	455881	374452	757872	417230	685101	553857	481160	355740	512209	477073	521495	292598	529423	233146	201803
Hg	2C6	2860427	2963837	2922246	3103014	2900000	2900000	2383833	1867667	1351500	294000	717000	722000	207000	51041
Hg	2C7c	5217770	4502568	4861346	4697558	4038424	3402509	2799578	2225722	1667990	1084013	696111	655184	619500	552115	473680	454553	365507	339815	355275	153612	265364	303867	223304	259405	243669	228376	247306	195267	253723	185618	202287	247881	165133	120333
Hg	5C1a	8195789	8178958	7815162	493300	393805	331112	228620	6491	1986	892	1328
Hg	5C1biii	156795	156795	147835	138876	91120	326628	136891	159929	111761	40459	68044	56405	64381	294458	46275	73309	42081	37029	46690	419758	110451	41055	26113	20057	14185	18460	14771	11672	17875	19213	17992	5028	134389	3840
Hg	5C1bv	504998	535405	557137	605300	606719	646999	674663	702389	717849	753741	772203	784856	830443	870792	874990	913662	935289	976061	1026347	917850	843956	636527	591487	557577	515678	515228	478508	448316	422856	394978	429528	385103	357996	364795

POP (Unit = mg)

		1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
DIOX	1A2f	8959	7407	6806	6882	7840	7742	7603	8670	4625	5511	4857	4814	1911	2049	24656	1614	1325	1082	1431	1449	2599	1295	657	1139	1205	975	578	764	678	863	776	716	1347	1084
DIOX	2C1	65987	60768	60747	61473	63041	64758	64929	67233	62713	52297	47225	36539	28048	29376	35647	35336	33437	28758	30839	26009	40730	30868	31844	28173	34292	31277	24420	22765	22661	22151	20107	7865	21255	8312
HCB	1A4ai	305598	369868	366559	294864	422387	464990	465074	459349	423779	432434	490948	504945	594834	634683	634367	636982	569820	568234	622524	656776	769303	757134	882113	776099	940149	504982	537040	848404	539619	428849	599499	1016290	846996	961513
HCB	NATIONALTOTAL	3156884775	3064360950	3372760600	3686381630	3958983984	4132074870	4173927149	4174151293	4430260574	96139799	81923932	72481007	67481979	62551295	75801681	72384136	67966765	58533797	54235209	35343571	34098207	24578749	23520778	19513061	22502411	25547945	30785922	32640111	35940984	35272969	33267703	28309330	28047544	30046396
HCB	NTCOMPL(NECD)	3156884775	3064360950	3372760600	3686381630	3958983984	4132074870	4173927149	4174151293	4430260574	96139799	81923932	72481007	67481979	62551295	75801681	72384136	67966765	58533797	54235209	35343571	34098207	24578749	23520778	19513061	22502411	25547945	30785922	32640111	35940984	35272969	33267703	28309330	28047544	30046396
HCB	NTCOMPLIANCE	3156884775	3064360950	3372760600	3686381630	3958983984	4132074870	4173927149	4174151293	4430260574	96139799	81923932	72481007	67481979	62551295	75801681	72384136	67966765	58533797	54235209	35343571	34098207	24578749	23520778	19513061	22502411	25547945	30785922	32640111	35940984	35272969	33267703	28309330	28047544	30046396