Year	thousand metric tons of CO2 equivalent
1990	9019.514938
1991	9183.854796
1992	9116.298455
1993	9049.382714
1994	8928.480972
1995	9240.192631
1996	9528.561832
1997	9965.421434
1998	10039.12643
1999	10209.99924
2000	10405.36524
2001	9518.135917
2002	8828.809997
2003	8878.330477
2004	8758.912956
2005	9199.230236
2006	9801.327063
2007	10598.09949
2008	10688.23472
2009	10710.78934
2010	9415.927969
2011	10315.8197
2012	11025.50243
2013	11329.38577
2014	12274.3207
2015	13033.67983
2016	13489.17871
2017	14021.56978
2018	13974.91505
2019	14729.31093
2020	14245.8522