Year	thousand metric tons of CO2 equivalent
1990	10411.226
1991	10478.6932
1992	10575.0664
1993	10555.7858
1994	10314.9124
1995	10187.7856
1996	9461.5
1997	9465.9402
1998	10305.7042
1999	9527.507
2000	9125.4454
2001	9328.7112
2002	10530.3664
2003	11664.0776
2004	11696.351
2005	12128.451
2006	10813.4664
2007	11229.0572
2008	11306.5074
2009	10433.427
2010	11589.071
2011	11382.9146
2012	12411.5212
2013	12683.7442
2014	12377.3704
2015	12713.3356
2016	12537.2176
2017	11914.1294
2018	11580.8462
2019	12119.6302
2020	11851.7878