Year	thousand metric tons of CO2 equivalent
1990	247.1261
1991	248.332688
1992	260.61702
1993	269.40514
1994	281.412425
1995	295.790715
1996	297.712286
1997	309.052299
1998	307.822747
1999	320.772019
2000	335.243518
2001	335.71718
2002	344.772576
2003	362.941225
2004	375.634775
2005	378.098057
2006	380.36209
2007	376.399142
2008	380.011694
2009	363.304979
2010	362.326086
2011	360.79975
2012	367.95342
2013	364.698102
2014	363.801852
2015	375.21086
2016	377.678471
2017	390.078471
2018	395.378471
2019	401.478471
2020	353.578471