Year	thousand metric tons of CO2 equivalent
1990	171.795
1991	189.0425
1992	190.665
1993	190.75
1994	191.155
1995	179.2475
1996	199.0625
1997	195.5775
1998	199.255
1999	202.18
2000	196.5975
2001	192.375
2002	199.6325
2003	202.3775
2004	198.2125
2005	206.84
2006	210.215
2007	199.86
2008	206.655
2009	202.895
2010	181.8075
2011	235.2325
2012	244.1
2013	247.82
2014	253.95
2015	241.8875
2016	240.325
2017	245.8675
2018	247.6
2019	245.8875
2020	244.8525