Year	kt of CO2 equivalent
1990	19093.13578
1991	18075.1885
1992	16142.575
1993	11378.03
1994	6653.865
1995	6773.482977
1996	6653.261922
1997	6798.550868
1998	7274.412314
1999	7863.258759
2000	8003.910205
2001	8500.023334
2002	8630.138964
2003	8832.022093
2004	8996.237723
2005	10256.42585
2006	12035.83568
2007	14033.1655
2008	15466.12032
2009	16227.81015
2010	16320.30747
2011	15694.25806
2012	15793.74864
2013	16100.89423
2014	15912.72982
2015	15854.2904
2016	15762.92403
2017	15381.09765
2018	15705.63377
2019	16038.22239
2020	15733.13101