Year	kt of CO2 equivalent
1990	96.486517
1991	237.997802
1992	1158.916587
1993	1266.635373
1994	1357.409158
1995	1473.437943
1996	1714.671908
1997	2815.865872
1998	3694.112337
1999	4075.211302
2000	4654.167767
2001	6003.744282
2002	5628.830797
2003	6507.759812
2004	7593.986327
2005	7960.295342
2006	7849.331285
2007	7764.789727
2008	7385.84817
2009	6486.831613
2010	6641.960056
2011	5940.436691
2012	5811.860825
2013	5523.33496
2014	7558.994095
2015	6904.09323
2016	6226.873669
2017	5634.816609
2018	5480.122048
2019	5028.424988
2020	4778.315427