Year	thousand metric tons of CO2 equivalent
1990	9738.8925
1991	9732.97
1992	9827.5875
1993	10109.765
1994	10102.475
1995	10148.1975
1996	10413.6925
1997	10323.2375
1998	9952.81
1999	9485.2625
2000	9127.6675
2001	9009.68
2002	8867.5
2003	8742.62
2004	8841.7
2005	8887.89
2006	9003.6325
2007	9185.34
2008	9319.3575
2009	9543.875
2010	9720.595
2011	9385.0975
2012	9653.01
2013	9397.81
2014	9140.71
2015	9243.885
2016	9211.6025
2017	9217.4975
2018	9234.7275
2019	9340.5475
2020	9501.02