Year	thousand metric tons of CO2 equivalent
1990	352.4744
1991	365.7354
1992	360.133
1993	370.8312
1994	375.778
1995	377.2084
1996	370.8014
1997	369.52
1998	369.1028
1999	378.2514
2000	384.5988
2001	380.4864
2002	373.4834
2003	398.0088
2004	383.4366
2005	365.5566
2006	281.3716
2007	262.2698
2008	268.2
2009	264.1174
2010	262.687
2011	262.1208
2012	278.8684
2013	268.945
2014	268.2894
2015	251.7206
2016	255.386
2017	261.793
2018	262.4486
2019	269.3026
2020	265.1008