Year	kt of CO2 equivalent
1990	17299.0812
1991	16295.16564
1992	16009.26372
1993	16744.97061
1994	16802.64621
1995	17628.26585
1996	18429.96088
1997	18896.72241
1998	18635.36351
1999	17943.1
2000	17745.16722
2001	18709.38982
2002	18790.80783
2003	18751.58987
2004	18961.84317
2005	19212.07351
2006	19544.76978
2007	19517.75294
2008	20489.17942
2009	18512.11234
2010	18806.32624
2011	18746.41536
2012	18134.54044
2013	17508.57904
2014	16006.08164
2015	16103.85818
2016	16917.94554
2017	17098.37017
2018	16968.5195
2019	16533.88594
2020	15286.67677