Year	MJ/$2011 PPP GDP
1990	8.66657670426795
1991	8.74349537733587
1992	8.61274699225872
1993	8.52935320875437
1994	8.35152168582419
1995	8.2341349169744
1996	8.10927770625647
1997	7.83913386346723
1998	7.56902635840737
1999	7.42580269733143
2000	7.3353713960741
2001	7.12821680868542
2002	7.08236787119647
2003	6.90496749066525
2004	6.79020605854096
2005	6.60173784003223
2006	6.3694074043804
2007	6.36757144746924
2008	6.22245169027002
2009	6.08456327076516
2010	6.0724792214272
2011	5.90983674958677
2012	5.69299524637643
2013	5.67603563128095
2014	5.62114571317303
2015	5.40839253955352