Year	thousand metric tons of CO2 equivalent
1990	6032.3025
1991	6269.225
1992	6377.785
1993	6557.5075
1994	6354.625
1995	6495.04
1996	6714.6825
1997	7079.0075
1998	7565.53
1999	7285.78
2000	7373.2575
2001	7507.0975
2002	7814.4775
2003	8658.4325
2004	8622.0025
2005	9396.5325
2006	8564.3575
2007	9645.585
2008	13442.925
2009	13412.6175
2010	14162.1
2011	14083.86
2012	14851.7775
2013	14855.13
2014	15222.9575
2015	15815.1825
2016	15501.6675
2017	15808.6025
2018	16110.9875
2019	16397.6125
2020	17150.315