Year	thousand metric tons of CO2 equivalent
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	39.077802
2007	78.155604
2008	117.233406
2009	156.311208
2010	195.38901
2011	174.693486
2012	153.997962
2013	133.302438
2014	112.606914
2015	91.91139
2016	92.592215
2017	93.27304
2018	93.953865
2019	94.63469
2020	95.315515