Year	thousand metric tons of CO2 equivalent
1990	255347.52573199995
1991	258373.207239
1992	262027.93052800003
1993	263377.574629
1994	325881.832925
1995	329106.4606460001
1996	334280.41333000007
1997	336775.04141400004
1998	353262.440717
1999	351179.289615
2000	355547.62250600004
2001	349261.99236999993
2002	364931.157973
2003	376945.75705400005
2004	378400.0902400001
2005	394986.83726800006
2006	388107.48445700004
2007	403382.885321
2008	412919.872604
2009	408550.2321499998
2010	426064.42403100006
2011	434633.8906779998
2012	437952.41674999986
2013	440932.30301400006
2014	441229.5203169999
2015	447862.70860200014
2016	461893.12314000004
2017	464338.50989800005
2018	467021.331668
2019	475069.3137800001
2020	491792.61652300006