Year	thousand metric tons of CO2 equivalent
1990	236.615
1991	245.1425
1992	259.605
1993	277.335
1994	280.7725
1995	280.53
1996	280.91
1997	280.92
1998	281.31
1999	282.2525
2000	266.2775
2001	250.8075
2002	250.615
2003	262.345
2004	266.5175
2005	272.965
2006	277.8675
2007	328.37
2008	332.7875
2009	308.735
2010	317.3325
2011	325.615
2012	329.07
2013	331.1075
2014	335.555
2015	297.6825
2016	235.6025
2017	245.1025
2018	241.2725
2019	218.7825
2020	210