Year	thousand metric tons of CO2 equivalent
1990	76884.97997
1991	75891.69252
1992	75000.1265
1993	74720.5219
1994	74511.03717
1995	74304.459
1996	69990.51567
1997	68945.89098
1998	73356.71063
1999	90321.14751
2000	98386.78327
2001	108725.2094
2002	101559.3034
2003	61284.6931
2004	85058.00977
2005	62237.14956
2006	81734.7535
2007	76891.26813
2008	61414.60844
2009	65146.27764
2010	54166.34483
2011	107222.3762
2012	106572.7383
2013	63037.21868
2014	75396.66345
2015	71867.32307
2016	57394.67087
2017	79510.16522
2018	76864.12277
2019	61687.22811
2020	49331.81586