Year	thousand metric tons of CO2 equivalent
1990	3256.9314
1991	3216.5524
1992	3106.3222
1993	2994.8404
1994	2993.7676
1995	2927.6712
1996	2926.0918
1997	2961.2856
1998	2891.1364
1999	2836.3044
2000	2792.0216
2001	2758.8244
2002	2799.2034
2003	2522.8978
2004	2597.9938
2005	2561.8464
2006	2559.1644
2007	2546.9762
2008	2808.6798
2009	2461.1522
2010	2501.2928
2011	2709.2074
2012	2508.564
2013	2582.9448
2014	2632.6512
2015	2709.2372
2016	2704.797
2017	2628.8964
2018	2574.422
2019	2496.793
2020	2550.7012