Year	thousand metric tons of CO2 equivalent
1990	14647.2066
1991	14638.3858
1992	14227.116
1993	14538.1982
1994	14237.4268
1995	13992.888
1996	14899.9106
1997	15030.1068
1998	15272.1722
1999	15149.1876
2000	15284.8074
2001	14694.082
2002	15766.4648
2003	14633.7966
2004	14374.0896
2005	14605.6058
2006	14313.7148
2007	14773.7076
2008	15110.5072
2009	15112.9806
2010	15141.5886
2011	15118.9704
2012	15405.408
2013	14742.6858
2014	14754.3674
2015	13946.2212
2016	13202.89
2017	14785.3594
2018	13862.3044
2019	13456.1006
2020	13568.4466