Year	thousand metric tons of CO2 equivalent
1990	431350.90058899997
1991	428544.508552
1992	425883.63457600004
1993	422010.63854099996
1994	429299.030894
1995	434839.58098999993
1996	441462.77654700004
1997	443986.641513
1998	444378.366016
1999	439883.237236
2000	445198.50121099997
2001	447780.51906900003
2002	444172.008475
2003	444441.731486
2004	445427.792048
2005	448716.6624310001
2006	453281.405076
2007	463753.34648199996
2008	470902.95803900005
2009	461759.00746099994
2010	487559.447484
2011	501136.410713
2012	516350.921497
2013	530513.054771
2014	557282.139802
2015	563190.3376020001
2016	544907.882827
2017	565585.1723270001
2018	607431.861826
2019	649855.351328
2020	606011.740828