Year	thousand metric tons of CO2 equivalent
1990	311549.264814
1991	289875.511791
1992	266448.38058500004
1993	251043.82831000004
1994	228663.73591599998
1995	219136.87654599998
1996	210704.11633800002
1997	207344.47729299997
1998	196541.323632
1999	190897.24834800002
2000	192892.388801
2001	193739.33168099995
2002	199215.43937599997
2003	197671.66616599998
2004	197986.728756
2005	200338.61507400003
2006	204013.89704900002
2007	205853.55249800003
2008	210612.50959499998
2009	205672.28948900002
2010	207370.23221599997
2011	213502.71597900003
2012	213494.76588199998
2013	217074.50291500002
2014	219342.60407700003
2015	221030.264155
2016	227840.373999
2017	233312.58527
2018	231850.24837599997
2019	239627.70925200003
2020	244634.07514899998