Year	kt of CO2 equivalent
1990	13.495188
1991	13.639516
1992	13.858844
1993	14.078172
1994	14.2925
1995	14.506828
1996	14.898168
1997	15.094509
1998	15.290849
1999	15.487189
2000	16.09353
2001	16.441068
2002	17.136107
2003	17.353646
2004	17.651185
2005	17.948723
2006	18.266739
2007	18.607255
2008	18.90027
2009	19.188286
2010	19.621302
2011	19.927816
2012	20.41433
2013	20.715844
2014	21.199859
2015	21.568873
2016	21.935588
2017	22.272304
2018	22.596519
2019	22.860735
2020	23.209951