Year	thousand metric tons of CO2 equivalent
1990	10708.68913
1991	10976.58306
1992	10867.83279
1993	10694.08913
1994	10932.04846
1995	11093.33979
1996	10823.89425
1997	10838.2093
1998	10976.51575
1999	10842.1808
2000	11609.58265
2001	12248.77385
2002	12320.15345
2003	12822.45565
2004	12797.86025
2005	13460.69185
2006	13231.0051
2007	13779.02415
2008	14463.332
2009	14305.61865
2010	13137.90389
2011	12842.82713
2012	14068.51796
2013	14256.95699
2014	14211.24283
2015	13831.82486
2016	13542.21112
2017	13076.56857
2018	12607.25483
2019	12789.93729
2020	13097.21934