Year	thousand metric tons of CO2 equivalent
1990	75.82
1991	17.435
1992	23.1875
1993	47.3575
1994	61.6275
1995	81.9275
1996	98.855
1997	105.5675
1998	108.29
1999	120.815
2000	136.09
2001	93.1025
2002	123.54
2003	134.5325
2004	115.38
2005	114.79
2006	117.9925
2007	126.6075
2008	136.1475
2009	148.5725
2010	143.3325
2011	135.2425
2012	135.1975
2013	143.3475
2014	161.265
2015	159.205
2016	174.105
2017	179.2075
2018	184.735
2019	203.665
2020	199.315