Year	thousand metric tons of CO2 equivalent
1990	335881.941318
1991	340823.641318
1992	353386.84131799993
1993	377492.541318
1994	391997.041318
1995	401213.141318
1996	407246.041318
1997	416055.4413180001
1998	422878.841275
1999	422185.8412750001
2000	443902.641275
2001	434919.14127499994
2002	426015.441275
2003	458850.94127500005
2004	471232.4006349999
2005	489456.300635
2006	500123.70063499996
2007	499175.0006350001
2008	509288.40002799995
2009	492904.100036
2010	509347.8000359999
2011	484536.30003200006
2012	515306.30003
2013	490708.40003200003
2014	485601.200031
2015	494198.000028
2016	537064.6000259998
2017	561172.000026
2018	572504.700026
2019	551900.400026
2020	494883.30002600007