Changes in emissions in % (Indexed 1990=100)	HCB	PCB	Dioxins and furans	PAH	HCB (Mg tonnes)	PCB (Mg tonnes)	Dioxins and furans (kg)	PAH (Mg tonnes)
1990	100	100	100	100	6.13	13.18	12.46	9812.14
1991	97.0	95.2	95.4	84.4	5.95	12.54	11.89	8281.79
1992	101.1	90.9	90.3	90.4	6.2	11.98	11.25	8868.49
1993	99.0	87.6	84.1	96.3	6.07	11.55	10.48	9446.06
1994	96.5	82.9	77.6	85.9	5.92	10.92	9.68	8430.66
1995	98.9	79.1	73.2	87.3	6.07	10.42	9.13	8563.76
1996	97.8	73.2	63.7	82.8	6.0	9.65	7.93	8124.62
1997	99.2	69.5	57.1	75.7	6.09	9.15	7.11	7427.25
1998	103.6	65.5	50.6	74.0	6.36	8.63	6.3	7264.82
1999	10.8	61.1	43.3	71.4	0.66	8.05	5.39	7010.28
2000	10.2	37.1	33.6	34.7	0.63	4.89	4.18	3402.06
2001	9.4	35.2	28.2	14.2	0.57	4.64	3.52	1389.39
2002	7.5	33.1	25.1	13.5	0.46	4.36	3.13	1320.01
2003	7.7	31.3	22.6	13.6	0.47	4.13	2.82	1337.43
2004	6.4	29.4	20.8	12.0	0.39	3.88	2.59	1179.96
2005	6.7	30.6	18.9	12.8	0.41	4.03	2.35	1258.35
2006	4.8	30.7	19.0	12.5	0.3	4.05	2.37	1224.59
2007	4.8	30.1	18.8	13.7	0.29	3.97	2.34	1344.79
2008	4.4	29.9	18.6	12.2	0.27	3.93	2.32	1194.44
2009	3.5	25.6	16.4	11.7	0.22	3.38	2.05	1145.14
2010	3.1	26.6	17.4	12.6	0.19	3.5	2.17	1231.84
2011	3.5	25.7	16.1	12.0	0.21	3.39	2.0	1176.36
2012	3.4	24.8	16.2	12.2	0.21	3.27	2.01	1192.91
2013	4.6	23.8	15.6	12.1	0.28	3.14	1.95	1189.34
2014	4.7	23.1	14.8	11.4	0.29	3.04	1.85	1120.09
2015	2.9	22.6	15.1	11.6	0.18	2.98	1.89	1142.03