Year	thousand metric tons of CO2 equivalent
1990	486.18
1991	498.935
1992	484.58
1993	468.1425
1994	499.455
1995	514.0575
1996	538.045
1997	498.475
1998	517.4075
1999	505.4025
2000	532.6675
2001	476.6025
2002	456.91
2003	516.1375
2004	572.5375
2005	596.5575
2006	622.5425
2007	613.45
2008	724.9125
2009	987.82
2010	1065.5425
2011	751.455
2012	846.0075
2013	900.36
2014	931.085
2015	1054.7275
2016	918.8225
2017	931.825
2018	775.88
2019	929.425
2020	947.2825