Year	thousand metric tons of CO2 equivalent
1990	14.0954
1991	14.2742
1992	14.2742
1993	14.5722
1994	14.9
1995	15.2278
1996	15.2576
1997	15.5258
1998	15.6152
1999	15.8536
2000	15.5854
2001	16.024615
2002	16.34463
2003	16.813644
2004	16.954859
2005	17.155674
2006	17.296761
2007	17.348449
2008	17.280936
2009	17.302823
2010	12.10971
2011	12.214111
2012	12.407911
2013	12.422911
2014	12.408111
2015	12.393311
2016	12.726263
2017	12.493016
2018	12.468368
2019	12.02652
2020	11.763473