Year	thousand metric tons of CO2 equivalent
1990	35278.91
1991	34815.525
1992	34877.4
1993	34737.215
1994	34871.85
1995	34348.7875
1996	34356.4175
1997	33792.4
1998	33860.47
1999	33570.2075
2000	32384.0325
2001	30099.35
2002	29419.0225
2003	29524.075
2004	29494.095
2005	29414.7225
2006	28982.855
2007	28320.1725
2008	27727.1525
2009	27120.4625
2010	27161.9375
2011	26927.96
2012	26964.9125
2013	27074.1725
2014	27351.91
2015	27498.99
2016	27826.0375
2017	27993.29
2018	27605.99
2019	27314.2825
2020	26907.6275