Year	thousand metric tons of CO2 equivalent
1990	9045.4324
1991	9089.4768
1992	9064.8918
1993	8862.818
1994	8910.1106
1995	8874.3506
1996	8800.7744
1997	8569.288
1998	8278.7976
1999	8309.1638
2000	7916.0422
2001	7832.185
2002	7581.2094
2003	7396.0918
2004	7480.5748
2005	7406.9986
2006	7403.9292
2007	7184.035
2008	7288.931
2009	7283.0902
2010	7282.8816
2011	7177.926
2012	7262.4388
2013	7177.3002
2014	7415.73
2015	7694.956
2016	7571.882
2017	7369.0632
2018	6989.888
2019	7043.4982
2020	6990.5734