Year	thousand metric tons of CO2 equivalent
1990	2083.262443
1991	1960.741067
1992	1703.1296
1993	1576.6882
1994	1436.2706
1995	1384.4782
1996	1338.765
1997	1334.2056
1998	1382.9882
1999	1405.0402
2000	1435.5852
2001	1407.454
2002	1401.2258
2003	1434.1548
2004	1466.4878
2005	1448.0118
2006	1457.7862
2007	1491.6688
2008	1557.795
2009	1510.5918
2010	1520.4556
2011	1543.789
2012	1579.5788
2013	1591.2008
2014	1624.0106
2015	1649.6088
2016	1582.529
2017	1614.564
2018	1604.3724
2019	1663.1082
2020	1668.1742