Year	MJ/$2011 PPP GDP
1990	3.65100311581921
1991	4.00254373312049
1992	4.1082543703472
1993	3.94277830332402
1994	3.54673639627826
1995	4.06735372675021
1996	3.97984261753074
1997	4.17169841644629
1998	4.17743655097383
1999	4.13322895473793
2000	4.04010435369227
2001	3.64071618527032
2002	3.42504653839429
2003	3.86458633999396
2004	3.52555904340798
2005	3.39145517387479
2006	4.6160590190786
2007	4.71966368423846
2008	5.28345330455794
2009	4.61948047393984
2010	4.79474666741662
2011	5.54070116235544
2012	5.42793790677772
2013	4.38822365597014
2014	4.74992244831422
2015	3.65225820025726