Year	thousand metric tons of CO2 equivalent
1990	939.45
1991	861.218235
1992	807.83647
1993	690.104705
1994	665.82294
1995	725.941175
1996	773.87294
1997	634.554705
1998	583.58647
1999	578.768235
2000	622.5
2001	616.45
2002	673.15
2003	717.35
2004	765.9
2005	832.45
2006	735.2
2007	768.95
2008	766.45
2009	643.15
2010	767.1
2011	807.255818
2012	853.511635
2013	888.867453
2014	927.723271
2015	963.879088
2016	973.54737
2017	997.715651
2018	995.083933
2019	957.752214
2020	948.720496