Year	MJ/$2011 PPP GDP
1990	4.46886974021812
1991	4.42168022398379
1992	4.4137482390809
1993	4.27506148985225
1994	4.30149957170079
1995	4.28689162964446
1996	4.32299323493403
1997	4.2669304833946
1998	4.31193185781951
1999	4.3674898683464
2000	4.25494363972478
2001	4.28629468904432
2002	4.35623659719298
2003	4.38286126940911
2004	4.30667234028465
2005	4.28050873289706
2006	4.244896052937
2007	4.08380976200421
2008	4.05426803494998
2009	4.09988567317308
2010	4.07657974583101
2011	3.97743618651203
2012	4.0265395470604
2013	3.98755154694181
2014	3.97598161387022
2015	3.87433603678167