Year	thousand metric tons of CO2 equivalent
1990	1756.249556
1991	1721.946894
1992	1804.6275
1993	1586.915
1994	1265.625
1995	1169.73
1996	1038.0525
1997	937.165
1998	903.5575
1999	860.2975
2000	750.75
2001	718.0375
2002	735.3625
2003	699.465
2004	707.5575
2005	695.67
2006	691.6525
2007	677.7425
2008	669.765
2009	652.805
2010	647.4675
2011	652.2075
2012	655.1225
2013	669
2014	693.3225
2015	695.4175
2016	633.665
2017	642.565
2018	639.2525
2019	644.5425
2020	645.2475