Year	thousand metric tons of CO2 equivalent
1990	13343.440246999999
1991	13121.163912
1992	12778.406314000002
1993	12407.307651000001
1994	12466.319012
1995	12741.724606000002
1996	13397.628031999999
1997	12976.347107
1998	12760.815280999996
1999	12847.667142999997
2000	12979.725685999998
2001	13846.966918999999
2002	13549.751886999999
2003	10234.21549
2004	10749.966516000002
2005	11295.941765
2006	13310.557400000002
2007	11983.265399999998
2008	15442.0024
2009	12237.1316
2010	17809.7912
2011	22581.0692
2012	17002.240999999998
2013	12766.767
2014	10869.073199999999
2015	10576.1094
2016	10380.234
2017	12249.588
2018	10637.020600000002
2019	9271.376
2020	12463.492400000001