Year	thousand metric tons of CO2 equivalent
1990	6851.105
1991	6897.3475
1992	6886.305
1993	6996.5525
1994	6843.66
1995	6854.335
1996	6817.965
1997	6770.8475
1998	6820.8175
1999	6531.965
2000	6552.06
2001	6726.7075
2002	6576.25
2003	6483.2225
2004	6366.665
2005	6271.865
2006	6153.715
2007	6263.545
2008	6090.5275
2009	5986.865
2010	6217.0925
2011	6156.3775
2012	6144.815
2013	6093.825
2014	6024.7725
2015	6044.565
2016	6056.3175
2017	6011.8675
2018	6041.1825
2019	6005.7175
2020	6134.7325