Year	thousand metric tons of CO2 equivalent
1990	11092.659999999998
1991	11363.495
1992	11507.03
1993	11679.065
1994	12135.600000000004
1995	12342.71
1996	12997.020000000002
1997	13439.320000000003
1998	13768.019999999999
1999	13787.189999999999
2000	13649.44
2001	13829.55
2002	14197.960000000003
2003	14524.349999999999
2004	15188.039999999999
2005	15758.430000000002
2006	16210.619999999999
2007	17142.920000000002
2008	18027.62
2009	17934.92
2010	19329.120000000006
2011	19952.32
2012	20758.419999999995
2013	21584.020000000004
2014	21841.220000000005
2015	21964.420000000002
2016	22098.82
2017	22349.019999999993
2018	22075.920000000006
2019	22428.62
2020	20171.22