Year	kt of CO2 equivalent
1990	13259.17184
1991	13353.09998
1992	13160.77149
1993	12965.86828
1994	13010.78712
1995	13131.89156
1996	13010.52741
1997	12816.83813
1998	12553.51235
1999	12609.66914
2000	12136.78323
2001	11627.30584
2002	11079.20172
2003	10399.40021
2004	10258.02183
2005	9987.294477
2006	9833.792258
2007	9645.848857
2008	9452.72019
2009	9364.715647
2010	9238.658108
2011	8991.431876
2012	8831.77803
2013	8609.355986
2014	8540.058697
2015	8528.701682
2016	8446.14364
2017	8164.824385
2018	8182.82513
2019	8081.030875
2020	7974.086619