Year	thousand metric tons of CO2 equivalent
1990	54725.778601
1991	54734.857031
1992	57044.580854
1993	57273.345881
1994	57593.34231099999
1995	61406.17762599999
1996	65543.23561599999
1997	68552.983593
1998	73429.901171
1999	75482.372957
2000	81183.79113499999
2001	83692.258291
2002	86220.23943500001
2003	85445.778379
2004	89884.324135
2005	91571.897679
2006	95802.891311
2007	95046.803754
2008	95439.34098700002
2009	97761.579619
2010	97658.431242
2011	96905.99831400001
2012	97949.176572
2013	98278.687614
2014	97423.104075
2015	97109.832731
2016	97275.137601
2017	98628.55046900001
2018	99006.16153900001
2019	100144.0182
2020	100959.19666999999