Year	thousand metric tons of CO2 equivalent
1990	337.4552
1991	442.7982
1992	496.7064
1993	487.9154
1994	423.9348
1995	448.5496
1996	422.8918
1997	437.1064
1998	424.5308
1999	422.4746
2000	370.6226
2001	370.8014
2002	394.6712
2003	401.4358
2004	374.4966
2005	447.447
2006	391.2442
2007	439.3712
2008	517.0896
2009	468.8136
2010	483.9818
2011	496.5574
2012	484.8758
2013	588.1924
2014	584.1098
2015	684.506
2016	669.01
2017	621.3896
2018	619.4824
2019	615.1614
2020	577.077