Year	thousand metric tons of CO2 equivalent
1990	78582.568553
1991	79619.78557199998
1992	79400.91424199998
1993	79816.14068200003
1994	79178.80312200001
1995	81342.90572600003
1996	83216.16023100005
1997	84288.330232
1998	85257.87151000003
1999	85653.05925799998
2000	92472.85623400004
2001	93933.91684300009
2002	96795.14472599995
2003	101320.20892600002
2004	107609.29534500002
2005	112288.45773000001
2006	117047.00483500001
2007	121580.05910999996
2008	125474.764473
2009	127675.35976200002
2010	134271.829956
2011	140313.84261500003
2012	144970.80951600004
2013	149311.29328699998
2014	151745.34122599996
2015	152552.456206
2016	154609.4949749999
2017	158497.594975
2018	163613.89497499994
2019	166102.19497500005
2020	160475.59497499999