Year	thousand metric tons of CO2 equivalent
1990	403.679603
1991	429.499625
1992	467.098848
1993	519.42327
1994	476.991292
1995	582.541114
1996	583.033651
1997	595.362588
1998	621.084526
1999	615.360463
2000	619.4734
2001	654.984222
2002	605.663844
2003	642.320666
2004	665.814288
2005	603.66331
2006	572.164364
2007	584.195819
2008	609.901474
2009	672.443129
2010	677.862384
2011	779.944653
2012	864.369522
2013	824.678191
2014	848.41346
2015	887.647929
2016	923.695211
2017	953.767892
2018	901.536773
2019	899.800054
2020	846.613935