Year	thousand metric tons of CO2 equivalent
1990	600.2316
1991	604.6718
1992	617.8136
1993	603.8076
1994	552.4026
1995	576.5704
1996	564.5908
1997	575.8254
1998	547.9624
1999	567.4218
2000	570.4912
2001	576.8982
2002	563.4584
2003	567.8688
2004	595.0464
2005	610.5126
2006	647.9414
2007	657.7456
2008	702.2966
2009	752.4798
2010	828.9466
2011	893.255
2012	927.1674
2013	1069.6114
2014	1068.3598
2015	1038.0234
2016	1175.0736
2017	1379.1738
2018	1428.0458
2019	1278.5094
2020	1220.7868