Year	kt of CO2 equivalent
1990	680.748073
1991	693.503567
1992	706.261561
1993	719.017055
1994	731.70755
1995	646.399149
1996	561.085953
1997	475.840256
1998	390.61956
1999	305.376364
2000	216.580668
2001	219.376328
2002	222.579488
2003	225.327648
2004	228.465808
2005	231.251469
2006	234.08541
2007	237.254352
2008	240.313294
2009	243.449735
2010	246.251177
2011	249.121644
2012	252.027111
2013	254.930078
2014	258.378045
2015	261.173511
2016	263.398713
2017	265.873914
2018	268.324115
2019	270.581816
2020	272.859517