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

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TIME SERIES

Party: CZ      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	1A3bi	34783	32624	42093	38133	42377	41588	42756	39333	38412	38762	37721	35178	35155	38638	38273	38611	35115	34904	33557	33410	29889	29636	28351	28073	28001	27431	28459	28151	27135	26020	25264	26220	26134	26416
NMVOC	1A3bi	36898	35400	44501	40953	44277	45131	48218	42223	38881	37573	33901	29935	26968	27252	25145	22816	18761	17368	15708	14778	12656	10921	9764	8835	7817	7308	6818	6301	5590	4921	4479	4523	4275	4244
NMVOC	2D3a	12435	12370	12381	12397	12403	12397	12378	12364	12354	12339	12327	12269	12241	12242	12248	12281	12320	12387	12516	12590	12621	12596	12611	12613	12630	12652	12678	12707	12752	12803	20575	16365	15933	13381
SOx	1A1a	1165561	1106774	906862	902728	804050	767025	647478	466302	259377	124664	137750	134408	133237	131068	126431	127783	126339	129689	107111	104890	103746	101838	94490	86175	80698	75361	58406	56871	49598	37735	26240	24132	25970	19002
SOx	1A2c	124680	109796	91785	62557	71611	66569	64322	53339	39140	13078	13209	13365	14371	15341	16857	15954	14930	13280	11455	11536	12064	10537	11848	8735	8611	8032	5919	6259	4558	3159	2651	2333	2043	2023
CO	1A3bi	378663	364448	454199	417136	445175	454714	492279	428855	392374	376640	326878	297630	270344	276709	258318	231944	190509	176951	159590	150517	130842	114094	102543	93373	83548	79022	75286	70559	63669	56608	51647	53270	51766	51725

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
PM10	3Dc	8054	7822	7301	6817	7356	7290	7098	7181	7055	7041	6813	6823	6733	6668	6651	6646	6560	6593	6541	6606	6515	6488	6694	6341
TSP	3Dc	8054	7822	7301	6817	7356	7290	7098	7181	7055	7041	6813	6823	6733	6668	6651	6646	6560	6593	6541	6606	6515	6488	6694	6341

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	1A2a	75806631	65234629	57140445	48003321	51509493	52139740	49662220	39062656	22603892	11705332	12634054	12976608	13208159	12908159	13480702	12699961	13089241	13331312	11339278	6731148	7557940	5057389	5131130	5442619	5707419	3964693	396119	360686	375260	358966	348172	375337	335385	263797
Pb	1A3ai(i)	12889403	3437174	3437174	2005018	1718587	1145725	1145725	572862	286431	572862	544665
Pb	1A3aii(i)									2397936	2397936	2283579	4573498	6648710	6346914	6063980	3767352	3620236	3454004	3304360	3115916	2953635	1320769	2610106	2447335	2269591	1790717	1779756	1766386	1770817	1757695	1118558	1080388	1124306	1147349
Pb	1A3aii(ii)	118852573	31694019	31694019	18488178	15847010	10564673	10564673	5282337	2641168	5282337	2515212	4794256	6859273	6547919	6138674	3836672	3596880	3372075	3161320	2963737	2778504	1302424	2442044	2289417	2146328	1877608	1877608	1877608	1877608	1877608	1877608	1877608	1877608	1877608
Pb	1A3bi	101464766	94981442	123665048	118631246	138335870	145209601	165053877	164958857	163400705	175117946	170136493	52361355	52979011	38703898	19275398	949604	914624	946654	904604	874503	793976	765315	717611	676770	670424	677519	706299	697384	700565	701274	635518	663149	690852	732570
Pb	1A3biv	9452461	8738029	10993587	9623655	10751075	10346289	10623200	9390088	8719817	8017407	6895471	1919748	1836666	1247633	582480	28043	23538	23484	22012	21689	20571	20267	18998	17993	17949	18172	18932	19190	19056	18411	18740	21137	23431	27740
Pb	1A4bi	3868555	3585414	3276964	3038855	2839700	2566787	2763859	2507832	1855653	1508656	1548769	1593587	1497977	1481736	1450551	1267862	1318450	1247649	1223334	1314981	1478423	1487026	1518614	1579915	1449506	1476899	1485718	1545484	1494817	1384073	1394260	1485477	1518580	1157141
Pb	2A3	11171281	9578188	9450826	9167113	9911452	7516288	8580553	8489746	5963351	3799486	4893747	5337987	5168942	5871150	5888899	6230848	6013618	5834595	2280465	2206064	1488333	780054	1103087	1435074	902314	261081	356507	163309	166717	161198	157465	164136	177565	161646
Pb	2C1	63881959	41078036	34082309	27445743	20291150	15079049	7032480	7970649	7742091	6174431	5442419	5287312	4605543	5164544	5158585	5209123	5591882	5023243	4794842	3454758	3875315	3946982	3546405	3486025	3701507	3908009	4010132	3415100	3683748	3399372	3289785	3548847	3167342	2493176
Pb	2C5	15800000	7700000	6805900	5617000	4814000	5032300	3913030	2334840	1863900	1682570	3770350	3176403	1684875	1279504	515999	787535	888448	602336	430757	173469	240191	716499	215722	1175364	1516738	443711	454549	308673	276887	296115	253782	281360	241093	302499
Pb	2G										1622536	1425270	1280443	1274157	1301341	1698681	1715536	1526279	1387198	2191382	2574297	1003678	2415848	3503546	3454869	3344110	4051077	3980664	4811107	5344866	5532013	4300269	2328145	6869126	4123551
Cd	1A2a	559871	493288	439348	380652	412063	411501	401979	368026	317183	260642	283370	290939	301552	303322	316604	304613	307774	311217	256033	154599	171483	118328	119148	125198	131237	94527	19999	17568	18257	17446	16910	18232	16292	12810
Cd	1A2f	243180	232922	224919	101870	69102	60784	62656	55596	53609	49885	60121	49290	44570	51535	32650	26116	27539	46989	57553	18252	14802	6127	6004	4283	4826	22714	17929	28058	16616	29418	25971	29779	31129	24627
Cd	2A3	235660	202054	199367	193382	209084	158558	198928	449221	426275	333210	250649	306453	298254	263772	212521	98096	123689	111590	64536	72443	47042	74811	30232	28895	34764	6668	27032	17263	17623	17040	16645	17350	18770	17087
Cd	2C1	1890193	1238346	1007148	816017	627375	509933	294480	312310	277914	225274	287934	292951	277202	324303	335234	303336	318604	281651	233989	202476	200922	207291	137259	111531	119195	141445	146648	123232	132926	122664	118710	128058	114292	89965
Cd	2C5											3660	3755	17588	22186	9214	9856	7915	32114	17094	18629	18298	6462	3054	48792	52610	3783	5241	1381	1239	1325	1136	1259	1079	1354
Cd	2C6	1163110	686320	244260	191820	103500	111780	66700	42780	114310	85100	60950	70610	88780	78890	82570	89930	145360	81880	111550	95450	78890	70380	84410	59340	65550	55200	77280	70840	89010	60490	55430	61180	52658	69423
Cd	2G	120439	112768	108730	106697	113830	121782	120524	130918	102904	119062	107027	94128	106705	123328	127000	129173	132759	134075	123234	122362	117241	117339	117178	114606	117281	122199	120966	122410	124648	123512	117571	113354	125146	96079
Cd	NATIONALTOTAL	5166507	3915119	3149600	2678061	2403279	2175671	1927569	2062005	2009635	1735955	1689879	1784738	1824939	1870115	1850297	1696400	1790981	1765100	1654909	1478731	1487072	1441491	1360558	1364383	1413772	1351161	1321437	1300621	1339766	1325539	1279534	1408898	1337597	1227645
Cd	NTCOMPL(NECD)	5166507	3915119	3149600	2678061	2403279	2175671	1927569	2062005	2009635	1735955	1689879	1784738	1824939	1870115	1850297	1696400	1790981	1765100	1654909	1478731	1487072	1441491	1360558	1364383	1413772	1351161	1321437	1300621	1339766	1325539	1279534	1408898	1337597	1227645
Cd	NTCOMPLIANCE	5166507	3915119	3149600	2678061	2403279	2175671	1927569	2062005	2009635	1735955	1689879	1784738	1824939	1870115	1850297	1696400	1790981	1765100	1654909	1478731	1487072	1441491	1360558	1364383	1413772	1351161	1321437	1300621	1339766	1325539	1279534	1408898	1337597	1227645
Hg	1A1a	1533426	1504247	1440947	1446492	1442867	1466537	1490986	1479483	1434876	1320947	1434167	1435185	1522037	1463937	1415033	1398261	1362677	1494275	1326087	1260373	1289476	1272094	1212404	1116385	1103618	1056955	1059760	1090082	1147060	1050774	862650	1053595	1292016	1476958
Hg	1A1c	80847	70721	77199	75935	75294	79810	75292	66280	66916	67272	56794	71587	72778	76154	77923	81798	79090	85135	82671	75917	79919	82232	82605	78546	76297	79215	83641	80478	78650	73267	57394
Hg	1A4bi	1036064	942107	836190	780282	741473	680941	742438	663493	493943	393040	398412	417008	384573	383934	376704	328748	340413	313622	306015	327177	378136	360966	369756	379099	333134	347381	346004	348598	323411	283106	275343	284603	269511	199419
Hg	2B10a	724890	694909	712000	380000	506900	834500	678400	295820	283350	224400	191320	178990	85943	175180	163078	121353	96317	96022	82490	80245	106604	110446	105051	76185	62160	56010	50730	28119	24000	24000	25307	29525	29595	30931
Hg	2C1	165286	142109	124109	110790	119818	129483	119513	129714	142780	122401	378292	421427	446534	450809	459177	491788	596869	387604	578203	254830	386637	380944	223689	184823	190456	177467	103071	88600	95569	88192	85348	92069	82172	64682
Hg	5C1bv	105851	109263	111167	117983	122420	127376	124354	125991	123213	123484	123433	128444	129025	132655	127756	136703	132275	132522	132917	136049	135317	135323	137022	138251	133824	140801	136466	141143	143013	142307	163745	177171	152257	142855
Hg	NATIONALTOTAL	5089624	4812173	4561360	4083489	4156739	4302021	4169800	3529689	3257295	2873225	3205842	3246877	3237510	3294830	3262465	3283923	3383611	3255248	3235207	2814349	3068108	3082538	2745157	2537040	2479941	2427736	2361584	2306144	2364342	2216600	1966430	2181658	2337507	2371343
Hg	NTCOMPL(NECD)	5089624	4812173	4561360	4083489	4156739	4302021	4169800	3529689	3257295	2873225	3205842	3246877	3237510	3294830	3262465	3283923	3383611	3255248	3235207	2814349	3068108	3082538	2745157	2537040	2479941	2427736	2361584	2306144	2364342	2216600	1966430	2181658	2337507	2371343
Hg	NTCOMPLIANCE	5089624	4812173	4561360	4083489	4156739	4302021	4169800	3529689	3257295	2873225	3205842	3246877	3237510	3294830	3262465	3283923	3383611	3255248	3235207	2814349	3068108	3082538	2745157	2537040	2479941	2427736	2361584	2306144	2364342	2216600	1966430	2181658	2337507	2371343

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	1A2a	62011	55405	49742	43552	47537	47557	47202	46601	44979	39966	42918	44147	45626	49228	46098	43536	45039	46457	39628	24949	26952	20075	19799	21070	22108	16732	6366	5835	6086	5532	5420	4	4	3
DIOX	2C7a	644	597	641	414	333	300	372	415	380	355	349	263	157	266	499	434	434	424	701	548	551	814	428	855	923	1080	1038	1084	1060	1093	1039	1072	987	1063
HCB	NATIONALTOTAL	515683420	367866743	315042759	303132933	262607379	253830759	313158327	333536795	349079408	338287264	172453480	189267615	234187682	15753134	17368326	13637862	13586870	11552952	10733085	12167161	21726571	18424288	24441523	22409133	22239325	25786118	24712904	22246227	20912415	15349271	12935636	11261747	10074597	6258341
HCB	NTCOMPL(NECD)	515683420	367866743	315042759	303132933	262607379	253830759	313158327	333536795	349079408	338287264	172453480	189267615	234187682	15753134	17368326	13637862	13586870	11552952	10733085	12167161	21726571	18424288	24441523	22409133	22239325	25786118	24712904	22246227	20912415	15349271	12935636	11261747	10074597	6258341
HCB	NTCOMPLIANCE	515683420	367866743	315042759	303132933	262607379	253830759	313158327	333536795	349079408	338287264	172453480	189267615	234187682	15753134	17368326	13637862	13586870	11552952	10733085	12167161	21726571	18424288	24441523	22409133	22239325	25786118	24712904	22246227	20912415	15349271	12935636	11261747	10074597	6258341
PCB	1A2a	1020449	909124	816611	718414	779227	773306	762502	733185	706672	626744	668988	687424	695654	671765	707496	667167	695569	704187	608901	420331	450188	396583	394154	422466	443105	505740	417175	383020	393940	381134	323946	1059	948	775
PCB	2C1	185209	171404	166877	157369	173932	176132	166361	180935	174087	150339	173461	175063	181468	192664	197052	174222	241447	210818	178156	142361	155411	183865	161896	155380	156903	149798	153248	132507	142930	131896	127644	137696	122894	96736
PCB	5C1bv	29127	30066	30590	32465	33686	35050	34218	34669	33904	33979	33965	35344	35504	36502	35154	37616	36398	36466	36574	37436	37235	37237	37704	38042	36824	38744	37551	38838	39353	39158	45057	48752	41896	39309