Year	thousand metric tons of CO2 equivalent
1990	1544.841168
1991	1568.844322
1992	1619.773464
1993	1609.631228
1994	1649.159625
1995	1673.138563
1996	1737.583916
1997	1723.657003
1998	1789.510547
1999	1811.229218
2000	1873.804538
2001	1931.498878
2002	2023.996208
2003	1991.098653
2004	2033.746026
2005	2034.255127
2006	1938.285424
2007	2022.658482
2008	1962.84012
2009	1908.293171
2010	1724.746012
2011	1851.972642
2012	1956.032095
2013	1693.784008
2014	1603.259919
2015	1535.401278
2016	1211.106378
2017	1219.379607
2018	1218.452836
2019	1216.726065
2020	1193.699294