Year	thousand metric tons of CO2 equivalent
1990	1249.2625
1991	1223.18
1992	1172.28
1993	1126.685
1994	1102.7
1995	1126.035
1996	1181.865
1997	1102.565
1998	1179.965
1999	1069.1625
2000	928.415
2001	978.52
2002	1011.3375
2003	1095.655
2004	1195.075
2005	1265.835
2006	1390.635
2007	1460.63
2008	1463.245
2009	1516.11
2010	1575.13
2011	1581.9125
2012	1583.5225
2013	1597.735
2014	1587.175
2015	1577.455
2016	1580.7975
2017	1614.485
2018	1629.47
2019	1615.4025
2020	1632.025