Year	thousand metric tons of CO2 equivalent
1990	720.129247
1991	664.215536
1992	686.705207
1993	656.526216
1994	651.366188
1995	618.009809
1996	710.617604
1997	701.581613
1998	678.590959
1999	673.62124
2000	725.276184
2001	734.096749
2002	739.700118
2003	772.844382
2004	781.231403
2005	789.910837
2006	804.440012
2007	835.428692
2008	832.522433
2009	837.288005
2010	824.648922
2011	833.414749
2012	814.201764
2013	796.489543
2014	808.418902
2015	822.627379
2016	839.414619
2017	852.214619
2018	850.814619
2019	849.414619
2020	803.614619