Year	kt of CO2 equivalent
1990	13899.89975
1991	13229.01642
1992	12436.78429
1993	12450.53574
1994	11986.59709
1995	11597.40307
1996	13162.02023
1997	12007.04958
1998	12754.54794
1999	11823.1016
2000	11473.43576
2001	11509.37056
2002	10910.36416
2003	11678.22249
2004	11476.51493
2005	11773.93046
2006	11771.17389
2007	12260.08482
2008	12057.00874
2009	11367.94207
2010	11251.16748
2011	12133.21352
2012	11706.26546
2013	10792.046
2014	10416.16744
2015	10151.01668
2016	10028.79318
2017	10526.33717
2018	10011.07466
2019	10891.85905
2020	9768.859944