Year	thousand metric tons of CO2 equivalent
1990	186147.19
1991	186478.9534
1992	191734.6006
1993	193112.19499999998
1994	198461.6526
1995	197490.6196
1996	204122.1924
1997	202915.4414
1998	204086.5516
1999	202194.6092
2000	198142.733
2001	196325.976
2002	197075.6546
2003	205240.8546
2004	203825.56319999998
2005	203284.2462
2006	206538.5552
2007	209860.06319999998
2008	203051.1506
2009	206002.6618
2010	208672.3544
2011	213896.205
2012	214079.773
2013	214880.08179999999
2014	213249.4556
2015	213561.34240000002
2016	217086.38439999998
2017	215621.41640000002
2018	218096.7534
2019	214605.0576
2020	219235.5902