Year	kt of CO2 equivalent
1990	2.685678
1991	2.766759
1992	2.845339
1993	2.92392
1994	3.0025
1995	40.95108
1996	41.027382
1997	41.106183
1998	41.139984
1999	41.208786
2000	41.272587
2001	41.350736
2002	41.391386
2003	41.537035
2004	41.545184
2005	41.650834
2006	41.637064
2007	42.178294
2008	42.274524
2009	44.113254
2010	44.124484
2011	46.673858
2012	46.718232
2013	48.050106
2014	48.28948
2015	49.056354
2016	49.914902
2017	49.82845
2018	50.634498
2019	51.890546
2020	52.686594