Year	thousand metric tons of CO2 equivalent
1990	3452.307793
1991	3384.878112
1992	3230.53
1993	3040.1725
1994	2785.0775
1995	2301.2275
1996	2137.6125
1997	2052.7625
1998	2116.685
1999	2169.645
2000	2216.88
2001	2242.39
2002	2282.0875
2003	2307.25
2004	2294.235
2005	2357.8525
2006	2442.3725
2007	2526.0825
2008	2633.605
2009	2862.43
2010	2939.8975
2011	3026.13
2012	3102.0525
2013	3205.2425
2014	3322.43
2015	3370.5425
2016	3459.3175
2017	3540.9475
2018	3640.64
2019	3743.1775
2020	3829.5975