Year	thousand metric tons of CO2 equivalent
1990	670.073136
1991	667.9203
1992	679.535065
1993	693.325229
1994	703.241394
1995	689.824159
1996	514.589137
1997	498.933115
1998	479.075294
1999	462.614672
2000	439.86625
2001	467.545161
2002	511.792872
2003	712.013783
2004	794.226694
2005	794.400205
2006	1114.304197
2007	1049.758389
2008	856.029581
2009	963.101973
2010	883.834965
2011	992.374723
2012	1212.30688
2013	1177.627837
2014	1247.844795
2015	1284.268552
2016	1227.829358
2017	1209.236164
2018	1165.99837
2019	1113.522576
2020	1129.527182