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

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TIME SERIES

Party: AM      Submission year: 2024

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 – 2022
HMs and POPs: 1990 - 2022
PMs: 2000 - 2022

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
NOx	1A2gviii																		1532							253			17	12	27	25	40	69
NMVOC	1A4bi																		571							700		37	41	423	2110	1893	2110	3299
NMVOC	2H2																		528							3010		1060	1847	1963	1933	15	3713	3835
SOx	1A4bi																		14							14		6	6	59	76	72	76	458
SOx	2A5a																												27	20	30	114	21	15
SOx	2H3																															3	357	348
SOx	NTCOMPL(NECD)																													28667	600	666	856	1540
SOx	NTCOMPLIANCE																													28667	600	666	856	1540
NH3	NATIONALTOTAL	25000	110	50	10	6	6	4	4	2	3	2	4	12390	14557				16747							18642		20500	19354	16254	18316	18290	16220	15235

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
PM2.5	1A2gviii								15										0	0	1	1	1	2
PM2.5	1A4bi								15							33		24	26	490	2570	2299	2570	3950
PM2.5	3B3																	16	1	1	1	1	1	1
PM2.5	3B4gi																	127			9	9	8	8
PM10	1A4bi								15							33		24	26	502	2638	2360	2638	4053
TSP	1A4bi								15							33		24	26	528	2776	2483	2776	4273
BC	1A1a																	0	0	1	1	1	1	1
BC	1A2gviii																		0	0	0	0	0	1
BC	1A4bi																	1	1	47	255	228	255	387
BC	NATIONALTOTAL																	517	5	51	259	232	259	392

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
Pb	1A3bi																		829000							654000		1000	720000	700000	700000	1110000	700000	1140000
Pb	1A4bi																		40166							40166			32	22869	96633	86688	96633	193205
Pb	2C7a																		7985000							5190000		1070000	2990000	880000
Pb	NATIONALTOTAL	11000000	820000	610000	790000	340000	334000	9000	9000	10000	5300			1000000	2500000				8877405							5888203		1208000	3710155	1722562	796758	1196948	796784	1333383
Pb	NTCOMPL(NECD)																													1722562	796758	1196948	796784	1333383
Pb	NTCOMPLIANCE																													1722562	796758	1196948	796784	1333383
Cd	1A4bi																		31603							31603			5	7933	44470	39680	44470	66410
Cd	NATIONALTOTAL																		209043							4407		6000	18	12894	44483	39694	44486	66428
Hg	2D3a																												16647	16604560	16574	16594	16594	16584
Hg	NATIONALTOTAL	10000	10000	8000	9000	1000	1000	800											347630							341213		17000	37016	16624751	40306	41754	41720	48940
Hg	NTCOMPL(NECD)																													16624751	40306	41754	41720	48940
Hg	NTCOMPLIANCE																													16624751	40306	41754	41720	48940

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
PCB	NATIONALTOTAL																		12046050							12240050				8577	5899	5877	5899	74326