Year	thousand metric tons of CO2 equivalent
1990	224.560835
1991	195.599144
1992	183.507329
1993	180.048365
1994	176.25958
1995	177.602076
1996	173.211708
1997	182.450368
1998	176.689607
1999	174.330507
2000	164.639224
2001	171.779176
2002	177.590944
2003	174.004418
2004	172.035109
2005	182.222927
2006	187.4654
2007	200.500295
2008	212.100031
2009	205.737273
2010	222.807705
2011	219.050119
2012	213.484154
2013	216.136607
2014	219.916659
2015	228.827163
2016	232.175968
2017	251.675968
2018	251.375968
2019	275.875968
2020	258.275968