Year	thousand metric tons of CO2 equivalent
1990	1575.167233
1991	1462.927775
1992	1293.273386
1993	1321.631039
1994	1179.185646
1995	1180.855025
1996	1192.604813
1997	1121.998291
1998	1072.605293
1999	1054.301152
2000	1034.246128
2001	1046.28542
2002	983.623161
2003	975.081138
2004	958.892855
2005	970.66608
2006	966.354342
2007	1000.39076
2008	1025.843894
2009	1049.378445
2010	1153.462738
2011	1029.348975
2012	1038.148076
2013	1079.022813
2014	989.029511
2015	1050.390787
2016	1062.558329
2017	1053.229319
2018	1051.700309
2019	1048.6713
2020	1023.94229