Year	kt of CO2 equivalent
1990	5440.329468
1991	5966.657666
1992	6393.552543
1993	6666.216748
1994	6921.689595
1995	6807.137506
1996	7198.365501
1997	7280.18963
1998	7610.009144
1999	7887.730278
2000	8154.548029
2001	8071.954241
2002	8299.418632
2003	8972.064599
2004	8914.801221
2005	9024.704645
2006	9162.994106
2007	9493.572217
2008	9709.288942
2009	9538.052941
2010	9208.664533
2011	8960.971704
2012	8444.283423
2013	7739.793469
2014	8137.045114
2015	8213.804434
2016	8598.436545
2017	8737.878187
2018	8560.320828
2019	8541.86797
2020	8109.206812