Year	thousand metric tons of CO2 equivalent
1990	110.0425
1991	110.62
1992	100.1875
1993	101.1925
1994	99.5025
1995	93.8575
1996	104.4075
1997	96.7875
1998	92.1925
1999	91.0575
2000	88.7575
2001	91.8025
2002	98.2275
2003	90.0025
2004	90.1575
2005	91.0225
2006	90.7225
2007	90.9025
2008	89.7175
2009	90.225
2010	91.28
2011	91.5575
2012	92.8125
2013	97.1175
2014	97.1925
2015	97.4375
2016	92.39
2017	91.33
2018	90.6625
2019	93.785
2020	94.8425