Year	thousand metric tons of CO2 equivalent
1990	91.98
1991	96.57
1992	96.46
1993	105.75
1994	110.34
1995	116.35
1996	115.96
1997	108.17
1998	107.88
1999	107.88
2000	94.58
2001	94.48
2002	95.58
2003	98.48
2004	104.28
2005	107.88
2006	118.28
2007	130.98
2008	143.78
2009	153.98
2010	166.18
2011	176.98
2012	188.58
2013	203.68
2014	217.28
2015	225.48
2016	236.58
2017	249.58
2018	258.68
2019	266.08
2020	229.98