Year	thousand metric tons of CO2 equivalent
1990	132080.2454
1991	135840.2604
1992	139729.816
1993	142914.4824
1994	148234.587
1995	150908.5112
1996	155018.3484
1997	159514.5724
1998	162784.1092
1999	165031.2974
2000	160981.8052
2001	164152.3762
2002	157195.3576
2003	163448.0234
2004	168780.4056
2005	177186.2108
2006	185480.7726
2007	193298.4152
2008	196473.8138
2009	199788.587
2010	206797.1894
2011	213727.388
2012	210728.1074
2013	210154.07
2014	211543.6738
2015	214799.7708
2016	213318.1148
2017	216343.977
2018	221902.0048
2019	229906.1358
2020	239729.2886