Year	thousand metric tons of CO2 equivalent
1990	559.593871
1991	484.396425
1992	580.866227
1993	540.500199
1994	533.604998
1995	548.787309
1996	661.075885
1997	675.421546
1998	599.950438
1999	524.289701
2000	573.636324
2001	556.95396
2002	570.240189
2003	611.108123
2004	632.378498
2005	588.981185
2006	610.145931
2007	656.439178
2008	723.055284
2009	687.538617
2010	665.494585
2011	701.153952
2012	719.385315
2013	661.38935
2014	647.914199
2015	653.8477
2016	674.782732
2017	706.882732
2018	703.882732
2019	743.782732
2020	723.882732