Year	thousand metric tons of CO2 equivalent
1990	16149.079864000001
1991	16006.330728000003
1992	15653.044235000001
1993	15326.349149999998
1994	15440.691246999999
1995	15833.693550000004
1996	16545.85351
1997	16187.333668000001
1998	15987.569788999997
1999	16097.786630000004
2000	16236.070189999999
2001	17092.324799
2002	16963.317783000002
2003	13781.794236
2004	14362.857207000001
2005	14854.227606999997
2006	16859.393214
2007	15724.975507000005
2008	19400.05649699999
2009	16130.963815000001
2010	21820.904037000004
2011	26567.402263
2012	21017.222937
2013	16987.014925000003
2014	14963.155549000005
2015	14727.111722
2016	14479.295911
2017	16387.045376
2018	14766.597049999997
2019	13478.369313999998
2020	16563.523386000004