Year	thousand metric tons of CO2 equivalent
1990	5430.799999999999
1991	5492.199999999999
1992	5646.8
1993	5820.7
1994	6053.2
1995	6346.8
1996	6480.700000000001
1997	6707.599999999999
1998	6890.9
1999	6982.6
2000	6995.9
2001	7225.000000000001
2002	7410.4
2003	7688.4
2004	7965.900000000001
2005	8054.899999999999
2006	8247.2
2007	8343.699999999999
2008	8677.400000000001
2009	8721.4
2010	8939.1
2011	9168.2
2012	9138.900000000001
2013	9609.6
2014	9869.5
2015	9987.699999999999
2016	10214.199999999999
2017	10415.2
2018	10473.500000000002
2019	10743.3
2020	10306.099999999999