Year	thousand metric tons of CO2 equivalent
1990	11188.8425
1991	11348.625
1992	11596.315
1993	11815.6425
1994	12092.2425
1995	12351.5825
1996	12320.165
1997	12651.9475
1998	13133.785
1999	13728.6475
2000	13980.3975
2001	13538.98
2002	14568.4775
2003	14481.2675
2004	15481.1575
2005	16140.3675
2006	15968.2325
2007	16103.2475
2008	16257.8875
2009	16647.6375
2010	18327.605
2011	17785.9175
2012	18017.88
2013	18223.5925
2014	17726.945
2015	18217.3
2016	18808.14
2017	18775.6825
2018	18847.045
2019	19849.175
2020	20342.0525