Year	thousand metric tons of CO2 equivalent
1990	8996.2922
1991	8953.4994
1992	9018.1058
1993	9349.5414
1994	9541.5726
1995	9512.3686
1996	9362.3852
1997	9444.7226
1998	9857.8698
1999	9803.3954
2000	9674.868
2001	9639.7934
2002	9567.6774
2003	9700.1086
2004	9468.652
2005	9294.8286
2006	9118.055
2007	8938.808
2008	8902.9288
2009	9179.4728
2010	8733.7244
2011	8635.9506
2012	9135.8754
2013	9081.0732
2014	9136.2032
2015	9184.5686
2016	9389.4734
2017	9660.5342
2018	9319.4136
2019	9090.2218
2020	9150.4476