Year	thousand metric tons of CO2 equivalent
1990	393.413411
1991	388.237012
1992	375.947813
1993	381.749601
1994	377.94172
1995	366.201174
1996	379.95806
1997	380.233329
1998	386.565956
1999	391.687194
2000	384.18694
2001	357.919904
2002	367.208975
2003	361.703817
2004	357.082932
2005	357.492526
2006	379.474499
2007	391.84881
2008	400.874896
2009	353.661964
2010	353.729474
2011	359.163112
2012	362.00496
2013	353.611402
2014	372.935355
2015	382.09564
2016	376.424123
2017	388.843658
2018	379.487992
2019	369.198526
2020	368.658861