Year	thousand metric tons of CO2 equivalent
1990	7724.9578
1991	7873.0694
1992	10209.4108
1993	10448.6436
1994	10944.2038
1995	11844.3642
1996	12445.9536
1997	13552.0476
1998	13299.2648
1999	14150.1552
2000	15012.5194
2001	15201.121
2002	14937.6286
2003	18222.7526
2004	20839.913
2005	19373.9848
2006	18023.0348
2007	9784.098
2008	8972.7104
2009	8926.8652
2010	9257.297
2011	9382.8854
2012	9539.1862
2013	9598.7064
2014	9596.1372
2015	9870.043688
2016	10011.71248
2017	10180.98107
2018	10305.81046
2019	10311.68985
2020	10096.79464