Year	kt of CO2 equivalent
1990	32425.55016
1991	30143.74033
1992	22546.38847
1993	17747.18631
1994	12604.02105
1995	9915.111684
1996	10813.96103
1997	10679.68318
1998	10919.11523
1999	9538.676977
2000	9463.893925
2001	8877.586977
2002	9846.753928
2003	10480.28628
2004	10632.25813
2005	10323.14048
2006	10443.39447
2007	11653.56625
2008	12741.87634
2009	12389.23032
2010	12095.6822
2011	13529.72303
2012	16148.32206
2013	15636.96519
2014	16274.42821
2015	16613.28524
2016	16168.27247
2017	15986.0521
2018	18119.54822
2019	16932.27455
2020	16093.54198