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	75.663597
2007	151.327193
2008	226.99079
2009	302.654386
2010	378.317983
2011	350.87639
2012	323.434796
2013	295.993203
2014	268.551609
2015	241.210016
2016	229.652569
2017	218.295122
2018	206.837674
2019	195.380227
2020	183.92278