Year	thousand metric tons of CO2 equivalent
1990	324218.671292
1991	316813.57522
1992	284671.6075
1993	274137.33999999997
1994	262424.06
1995	240377.985
1996	222012.39250000002
1997	200930.0875
1998	185646.37999999998
1999	173932.76249999995
2000	169569.8825
2001	165014.5625
2002	168985.58
2003	167960.615
2004	159404.96999999997
2005	155401.565
2006	154799.225
2007	153357.20249999998
2008	155620.8275
2009	151964.8125
2010	154187.78999999998
2011	152282.81
2012	156552.8525
2013	157183.4825
2014	160574.72750000004
2015	159763.59250000003
2016	158910.7375
2017	161640.76249999998
2018	163256.75000000003
2019	165071.875
2020	165512.95000000004