Year	thousand metric tons of CO2 equivalent
1990	2202.4625
1991	2230.605
1992	2216.6
1993	2362.3825
1994	3018.11
1995	3085.8825
1996	2912.3275
1997	2707.8525
1998	2567.8375
1999	2636.5525
2000	2682.5175
2001	2620.19
2002	2550.8725
2003	2584.0225
2004	2485.38
2005	2468.37
2006	2423.92
2007	2301.9725
2008	2138.04
2009	2031.85
2010	2043.9525
2011	2031.7825
2012	2072.26
2013	2071.065
2014	2095.3275
2015	2108.5125
2016	2099.05
2017	2053.5525
2018	2009.6275
2019	1847.0125
2020	1687.375