Year	thousand metric tons of CO2 equivalent
1990	988.81
1991	987.5025
1992	988.3125
1993	991.0475
1994	992.2825
1995	992.515
1996	409.7675
1997	439.765
1998	460.03
1999	467.32
2000	384.2475
2001	445.3225
2002	685.61
2003	1095.96
2004	1175.8025
2005	1400.9575
2006	1445.5475
2007	1325.7925
2008	1336.495
2009	1255.3975
2010	1468.335
2011	1498.31
2012	1422.115
2013	1486.6225
2014	1283.275
2015	1461.7175
2016	1466.015
2017	1453.7625
2018	1493.58
2019	1489.06
2020	1324.055