Year	thousand metric tons of CO2 equivalent
1990	10727.74821
1991	10319.94075
1992	9448.702186
1993	8078.088731
1994	6686.960668
1995	6270.245215
1996	6011.967118
1997	5593.06316
1998	5603.527092
1999	5854.855219
2000	5973.432599
2001	5986.84785
2002	6011.660157
2003	5984.466399
2004	6159.608921
2005	6120.397667
2006	6456.801834
2007	6320.489299
2008	6477.459752
2009	6153.452956
2010	6389.735929
2011	6749.713073
2012	6944.268086
2013	6855.428254
2014	6732.87711
2015	6789.77973
2016	6624.735356
2017	6733.435356
2018	7369.535356
2019	7925.035356
2020	7563.435356