Year	thousand metric tons of CO2 equivalent
1990	6338.11
1991	6581.3925
1992	6814.615
1993	7138.3375
1994	7409.13
1995	7692.1925
1996	8040.44
1997	8367.6425
1998	8675.385
1999	9033.955
2000	9460.935
2001	9858.295
2002	10237.7575
2003	10677.4075
2004	11140.9775
2005	11574.63
2006	11990.57
2007	12547.68
2008	13102.975
2009	13706.46
2010	13347.3925
2011	13913.0425
2012	14542.4125
2013	15297.1375
2014	16036.885
2015	16691.71
2016	17527.965
2017	18341.735
2018	19248.1625
2019	20145.645
2020	21181.6375