Year	thousand metric tons of CO2 equivalent
1990	4235.999999999999
1991	4324.7
1992	4461
1993	4531.7
1994	4758.2
1995	5099.9
1996	5233.299999999999
1997	5432.999999999999
1998	5603.999999999999
1999	5751.099999999999
2000	5860.499999999999
2001	6012.6
2002	6200.4
2003	6445.8
2004	6648.8
2005	6822.700000000001
2006	7020.000000000001
2007	7041.399999999999
2008	7263
2009	7551.0999999999985
2010	7673.199999999999
2011	7970.599999999999
2012	7863.7
2013	8320.5
2014	8657.300000000001
2015	8782.1
2016	9164.6
2017	9406.400000000001
2018	9552.600000000002
2019	9826.4
2020	9753.900000000001