Year	SO2	NOx	Dust
2004	100	100	100
2005	94.4835119	100.4529997	86.52338486
2006	91.591964	98.66404911	77.74519967
2007	85.64415928	96.34668369	75.84575544
2008	60.30053084	79.91207911	54.69177644
2009	47.85691921	70.67919583	42.81776274
2010	42.57341079	67.25784179	40.82473439
2011	40.34991109	65.92482092	44.61583954
2012	36.1186215	66.28389593	34.25517803
2013	28.57320979	58.53491122	30.27331682
2014	25.96974987	52.86820282	26.46755531
2015	22.99048731	50.51304538	19.05844923