Year	kt of CO2 equivalent
1990	35446.2
1991	38569.64
1992	39518.2975
1993	42497.3675
1994	44312.7725
1995	46231.015
1996	47745.4025
1997	49381.5225
1998	49390.3275
1999	52923.0425
2000	52995.7725
2001	53454.12423
2002	55294.15096
2003	56362.01769
2004	56565.03943
2005	59390.39366
2006	61148.5323
2007	62969.68845
2008	64437.49209
2009	62979.85324
2010	62141.48438
2011	63879.19016
2012	66020.17845
2013	64723.34173
2014	65487.41501
2015	64380.5033
2016	65722.31999
2017	66751.87418
2018	67405.79837
2019	65216.60506
2020	64402.91925