Year	thousand metric tons of CO2 equivalent
1990	8618.9272
1991	8850.9256
1992	8944.2738
1993	9085.7844
1994	7018.3226
1995	4808.0248
1996	4104.778
1997	3596.0584
1998	3309.3992
1999	2933.9282
2000	2290.257
2001	2249.1102
2002	2690.8648
2003	2635.648483
2004	2999.973166
2005	3020.482849
2006	3182.344004
2007	2858.481159
2008	2930.565514
2009	3020.807869
2010	3173.970624
2011	3370.904186
2012	3129.860348
2013	3111.77711
2014	2986.360272
2015	2839.236634
2016	3079.819675
2017	3128.870915
2018	3449.983555
2019	2884.793595
2020	2590.047636