Year	thousand metric tons of CO2 equivalent
1990	68490.515401
1991	73579.19465299998
1992	78039.813325
1993	83031.589274
1994	87619.265223
1995	88521.307841
1996	88407.28553599998
1997	89474.063221
1998	90277.64091600002
1999	92364.018603
2000	93762.49629399997
2001	97748.49406600001
2002	103295.991852
2003	106198.90405399998
2004	100004.116255
2005	102668.52845700002
2006	103583.24130000002
2007	103047.75414199999
2008	103053.266981
2009	105266.97982999998
2010	108384.89267
2011	105222.47664400002
2012	70056.60894699999
2013	66166.26569999999
2014	65581.622444
2015	60526.279188
2016	58640.016424999994
2017	62927.35366100001
2018	62234.19089699999
2019	64077.428134
2020	64541.665371999996