Year	thousand metric tons of CO2 equivalent
1990	253615.29358500004
1991	249647.40713399995
1992	242973.59398199996
1993	239425.47894999993
1994	243679.11937200002
1995	242586.77064899998
1996	249796.631529
1997	245194.45771699998
1998	227341.15187700005
1999	218346.55495100003
2000	213560.90098099998
2001	212855.48856000003
2002	210575.152974
2003	209826.841034
2004	209718.050823
2005	203596.348882
2006	195468.68951300005
2007	199166.07626699994
2008	187531.57313700003
2009	179909.45075499997
2010	171116.87628700005
2011	164169.49677900004
2012	164595.893196
2013	165889.575177
2014	168140.740545
2015	168429.721197
2016	165545.52771800006
2017	166501.09819399996
2018	162421.600852
2019	161725.051714
2020	159006.93597199998