Year	thousand metric tons of CO2 equivalent
1990	860.9
1991	864.725
1992	885.75
1993	871.775
1994	857.6
1995	878.425
1996	894.302
1997	913.579
1998	921.556
1999	1081.833
2000	1086.11
2001	1086.381014
2002	1374.052027
2003	1427.023041
2004	1487.194055
2005	1541.165068
2006	1546.785033
2007	1600.904998
2008	1619.524962
2009	1665.544927
2010	1736.264892
2011	1782.577754
2012	1830.590616
2013	1878.903478
2014	1922.516341
2015	1963.529203
2016	2095.826924
2017	2210.724645
2018	2253.022366
2019	2301.720087
2020	2362.017808