Year	thousand metric tons of CO2 equivalent
1990	274.268398
1991	283.775098
1992	289.851399
1993	295.493299
1994	292.5686
1995	288.249
1996	243.7444
1997	266.8984
1998	272.334
1999	277.3742
2000	283.6302
2001	279.763724
2002	322.317047
2003	357.852771
2004	420.842295
2005	404.027418
2006	460.30357
2007	472.937321
2008	532.451073
2009	484.938424
2010	523.571175
2011	509.597379
2012	480.409582
2013	577.193786
2014	520.035589
2015	551.052993
2016	563.274486
2017	589.478178
2018	530.184871
2019	584.242164
2020	523.122457