Year	thousand metric tons of CO2 equivalent
1990	1464.771533
1991	1409.459287
1992	1375.114904
1993	1325.826239
1994	1141.422825
1995	1170.719484
1996	1201.227956
1997	1125.783728
1998	1107.397181
1999	1128.032122
2000	1088.460039
2001	1128.777963
2002	1087.816752
2003	1092.377674
2004	1051.899512
2005	1034.8756
2006	1075.130337
2007	1083.889421
2008	1077.955965
2009	1092.601187
2010	1189.173936
2011	1139.907356
2012	1180.604494
2013	1188.094012
2014	1091.143062
2015	1125.521089
2016	1136.725315
2017	1146.996687
2018	1088.068059
2019	1093.439431
2020	1079.310803