Year	kt of CO2 equivalent
1990	2968.466485
1991	3016.594818
1992	3227.292851
1993	3234.879384
1994	3236.214117
1995	3193.69145
1996	3210.990912
1997	3326.279873
1998	3149.855235
1999	3696.363297
2000	3640.151058
2001	3638.687645
2002	3485.839832
2003	3566.594318
2004	3538.510805
2005	3733.837092
2006	3701.045198
2007	3792.326405
2008	3759.410411
2009	3880.463218
2010	3921.741124
2011	4692.885375
2012	4733.792526
2013	3920.397077
2014	4047.125728
2015	3835.802779
2016	3792.343497
2017	4227.946916
2018	3952.152334
2019	3846.161753
2020	4013.753971