Year	thousand metric tons of CO2 equivalent
1990	9810.960000000003
1991	10044.795
1992	10154.23
1993	10267.064999999999
1994	10670.5
1995	10813.91
1996	11378.219999999998
1997	11812.42
1998	12096.62
1999	12070.21
2000	11924.06
2001	12062.070000000002
2002	12353.980000000005
2003	12793.469999999998
2004	13411.459999999997
2005	13789.749999999998
2006	14151.04
2007	14955.440000000002
2008	15708.239999999996
2009	15574.24
2010	16959.440000000002
2011	17452.140000000003
2012	17970.24
2013	18722.840000000004
2014	19134.54
2015	19358.84
2016	19564.739999999998
2017	19852.539999999994
2018	19689.639999999996
2019	20101.039999999997
2020	18168.940000000002