Year	thousand metric tons of CO2 equivalent
1990	743927.296981
1991	733384.2537799999
1992	716830.8016059999
1993	703408.1499999999
1994	705660.5625
1995	696875.9125
1996	686290.7024999999
1997	677960.0375
1998	669611.01
1999	678160.8999999999
2000	679135.3924999998
2001	678174.0325000001
2002	668703.4299999999
2003	625041.2625
2004	642044.7025
2005	619147.6925
2006	634515.6024999999
2007	628659.555
2008	609365.8875
2009	607299.2875
2010	593630.7175
2011	635731.1224999999
2012	632784.7725
2013	591452.9724999999
2014	601904.2049999998
2015	595831.0850000001
2016	584470.1199999999
2017	604468.095
2018	602985.395
2019	583671.9500000001
2020	569120.3525000002