Year	thousand metric tons of CO2 equivalent
1990	1981.3722
1991	1848.941
1992	1896.77
1993	1918.2558
1994	1909.882
1995	1933.9008
1996	1992.577
1997	2149.5038
1998	2243.7314
1999	2271.803
2000	2338.1378
2001	2465.056
2002	2449.9772
2003	2648.1174
2004	2763.4732
2005	2721.783
2006	2828.5862
2007	3071.486
2008	3081.8564
2009	3123.3678
2010	3251.2396
2011	3227.8168
2012	3269.7752
2013	3399.4648
2014	3417.6428
2015	3227.787
2016	3245.1902
2017	3194.8282
2018	2973.0864
2019	3367.6384
2020	3263.7556