Year	thousand metric tons of CO2 equivalent
1990	9058.800000000001
1991	9270.600000000002
1992	9591.7
1993	9789.199999999999
1994	10043
1995	10474.7
1996	10774.900000000001
1997	11224.599999999999
1998	11430.3
1999	11703.8
2000	11783.980000000003
2001	12205.379999999997
2002	12579.38
2003	12998.98
2004	13463.279999999999
2005	13689.679999999998
2006	13938.980000000003
2007	14117.980000000005
2008	14719.780000000002
2009	14954.18
2010	15518.080000000004
2011	15995.679999999998
2012	16358.279999999997
2013	17239.18
2014	17624.88
2015	17719.18
2016	18180.88
2017	18426.58
2018	18713.780000000002
2019	19213.78
2020	18735.48