Year	thousand metric tons of CO2 equivalent
1990	3001.743235
1991	2973.852094
1992	2369.607203
1993	2313.722642
1994	2270.036352
1995	1944.042568
1996	1993.035237
1997	1874.977713
1998	1792.793806
1999	1729.077059
2000	1683.562092
2001	1691.987079
2002	1705.511322
2003	1765.329832
2004	1510.443847
2005	1558.546272
2006	1552.049154
2007	1484.017542
2008	1439.186003
2009	1518.139948
2010	1625.486247
2011	1582.27993
2012	1549.131953
2013	1492.086409
2014	1408.344455
2015	1359.51266
2016	1421.802494
2017	1406.362563
2018	1314.122632
2019	1286.682701
2020	1278.94277