Year	thousand metric tons of CO2 equivalent
1990	255347.52573199995
1991	258373.207239
1992	262027.93052800006
1993	263377.574629
1994	325881.832925
1995	329106.4606460001
1996	334280.41333
1997	336775.041414
1998	353262.440717
1999	351179.289615
2000	355547.622506
2001	349261.99236999993
2002	364931.15797299996
2003	376945.757054
2004	378400.0902400001
2005	394986.83726800006
2006	388107.48445700004
2007	403382.885321
2008	412919.87260400003
2009	408550.2321499999
2010	426064.424031
2011	434633.8906779999
2012	437952.41674999974
2013	440932.30301399995
2014	441229.5203169999
2015	447862.708602
2016	461893.12314
2017	464338.509898
2018	467021.33166799997
2019	475069.31378
2020	491792.61652300006