Year	kt of CO2 equivalent
1990	18609.45169
1991	19064.01435
1992	21809.2472
1993	22533.00836
1994	23616.62991
1995	23248.09038
1996	22482.67588
1997	21994.95629
1998	21201.04399
1999	20266.1661
2000	20836.4549
2001	20939.6314
2002	21730.26889
2003	22305.44619
2004	23768.42968
2005	25323.17278
2006	26124.35458
2007	27458.82247
2008	26811.47676
2009	27636.00414
2010	27362.05323
2011	28261.57121
2012	32045.56699
2013	32285.36098
2014	34457.96826
2015	34860.89684
2016	35007.8348
2017	36766.92085
2018	35966.76761
2019	34899.00556
2020	33146.35261