Year	kt of CO2 equivalent
1990	3976.46
1991	4034.175
1992	4073.7875
1993	4150.9175
1994	3920.65
1995	3657.9575
1996	3671.675
1997	3681.1
1998	3797.9775
1999	3778.615
2000	3801.0975
2001	3733.4775
2002	3663.1125
2003	3605.9525
2004	3574.2775
2005	3704.1725
2006	3698.390615
2007	3889.55873
2008	4043.486846
2009	4101.577461
2010	4171.650576
2011	4263.793212
2012	4206.285848
2013	4286.028483
2014	4298.688619
2015	4343.133755
2016	4492.089234
2017	4631.954712
2018	4814.065191
2019	4919.66067
2020	4650.441149