Year	thousand metric tons of CO2 equivalent
1990	603983.7264340001
1991	601421.194888
1992	597532.543331
1993	582967.6255999998
1994	585701.2392
1995	616171.7392000001
1996	629621.3136000001
1997	597723.5127999999
1998	604952.3073999998
1999	614587.3924000001
2000	603047.5510000001
2001	611590.3170000002
2002	641408.7632000002
2003	646840.6178
2004	665767.9686
2005	669285.4711999999
2006	671933.0522000002
2007	689285.8305999998
2008	693267.9748
2009	695824.5168000001
2010	713819.1573999999
2011	712749.9632
2012	717623.6340000002
2013	719510.0634000001
2014	728885.7096000002
2015	730468.7153999999
2016	732238.6864000001
2017	741198.3246
2018	722890.9330000001
2019	719520.2549999999
2020	731487.3092