Year	kt of CO2 equivalent
1990	11849.61016
1991	11850.46675
1992	11647.62936
1993	11326.82428
1994	10931.30899
1995	10444.8298
1996	10268.89084
1997	9946.179413
1998	9667.965914
1999	9540.496827
2000	9281.673609
2001	9168.185707
2002	9050.624835
2003	8898.768431
2004	8814.063124
2005	8623.939461
2006	8486.546794
2007	8332.243329
2008	8249.81944
2009	8072.84508
2010	8107.730705
2011	7922.195199
2012	7770.628685
2013	7633.338547
2014	7441.51378
2015	7391.89149
2016	7313.564413
2017	7270.289799
2018	7081.285186
2019	6963.743072
2020	6863.078458