Year	thousand metric tons of CO2 equivalent
1990	5681.25999
1991	7827.917655
1992	8112.492521
1993	8484.828386
1994	8830.552851
1995	9141.351717
1996	10715.78375
1997	10791.57378
1998	11002.59621
1999	11784.70585
2000	12987.82988
2001	10983.72422
2002	11923.44136
2003	12678.07071
2004	13180.14505
2005	14008.14199
2006	14290.77442
2007	15118.92564
2008	15490.45146
2009	15625.72288
2010	16710.5713
2011	17585.33545
2012	18525.15299
2013	19085.22913
2014	19863.05388
2015	21383.52442
2016	23037.79081
2017	23550.3894
2018	25089.95559
2019	25832.43137
2020	27724.59116