Year	thousand metric tons of CO2 equivalent
1990	2366.019955
1991	2421.863019
1992	2471.789084
1993	2558.015548
1994	2627.836813
1995	2685.160077
1996	2590.157542
1997	2757.546806
1998	2794.009071
1999	2735.996135
2000	2830.036
2001	3050.472322
2002	3378.554443
2003	3237.764765
2004	2673.547886
2005	3367.044208
2006	3151.959729
2007	3279.562651
2008	3010.332772
2009	2896.201894
2010	2911.054215
2011	3065.079737
2012	3129.502858
2013	3362.207627
2014	2969.350796
2015	3024.478764
2016	3691.414528
2017	3178.700491
2018	3217.514254
2019	3328.791218
2020	3544.205981