Year	thousand metric tons of CO2 equivalent
1990	10473.400000000001
1991	10803.4
1992	11041.9
1993	11386.9
1994	11722.1
1995	12140.8
1996	12614.800000000001
1997	12896.1
1998	13091.6
1999	13482
2000	13804.7
2001	14092.4
2002	14355.8
2003	14602.1
2004	15282.2
2005	15785.1
2006	16381.300000000001
2007	17505.199999999997
2008	18246.699999999997
2009	19223.9
2010	20199.3
2011	21009.499999999996
2012	22045.8
2013	22743.5
2014	24013.999999999996
2015	24720.6
2016	25449
2017	26935.9
2018	28029.4
2019	27830.5
2020	26496.1