Year	thousand metric tons of CO2 equivalent
1990	2346.592368
1991	2188.484485
1992	2021.003
1993	1851.0306
1994	1612.5326
1995	1315.239
1996	1279.2634
1997	1241.7956
1998	1296.2152
1999	1306.527
2000	1316.219
2001	1337.8106
2002	1241.3886
2003	1382.517
2004	1370.2124
2005	1405.1358
2006	1414.473414
2007	1452.938827
2008	1485.730041
2009	1641.862655
2010	1641.750669
2011	1686.501359
2012	1759.42025
2013	1833.315741
2014	1890.933632
2015	1796.020523
2016	1843.208399
2017	1806.333676
2018	1945.912952
2019	1977.277429
2020	2016.200505