Year	thousand metric tons of CO2 equivalent
1990	38322.704947
1991	39499.311161000005
1992	40702.47233899999
1993	42408.64255900001
1994	43601.08005
1995	46013.28077900001
1996	47382.29045799999
1997	47873.229535000006
1998	47774.05377599999
1999	48102.238079999996
2000	51957.12288000001
2001	52537.178787
2002	54169.64548
2003	57473.16744500001
2004	61630.33065
2005	64866.220166
2006	67162.87253200001
2007	69365.978257
2008	70422.74889799998
2009	71780.080721
2010	75457.93362099999
2011	79170.041283
2012	81308.77563000002
2013	83358.18205699997
2014	83343.151494
2015	83662.79655199999
2016	84261.77583600002
2017	85981.87583599998
2018	88662.075836
2019	89809.07583599999
2020	88031.575836