Year	thousand metric tons of CO2 equivalent
1990	295990.8093
1991	303536.4246
1992	309420.2895
1993	301229.1787
1994	314764.5564
1995	358413.7921
1996	384363.2962
1997	356255.9399
1998	365237.1236
1999	380901.3821
2000	375670.6879
2001	378155.1208
2002	397018.2875
2003	401038.2352
2004	417029.8071
2005	427564.663
2006	440483.3776
2007	449321.2959
2008	464576.3167
2009	475981.4853
2010	488416.7245
2011	497553.9652
2012	509628.7378
2013	522836.8848
2014	534386.9232
2015	549580.0712
2016	551682.7235
2017	549108.7203
2018	545546.5128
2019	536538.2013
2020	536920.2103