Year	MJ/$2011 PPP GDP
1990	10.0471276733378
1991	9.51368410773664
1992	9.50602183112898
1993	9.12584906218954
1994	8.28198244015525
1995	8.37185898672351
1996	8.25522055018415
1997	8.15701514432335
1998	7.61793639899157
1999	6.75852344982299
2000	6.5936446577549
2001	6.34686906499755
2002	6.25003793070989
2003	6.13875183742252
2004	5.54444347764881
2005	5.30976388622827
2006	5.08516169459381
2007	4.73741391832696
2008	4.35185486507805
2009	4.12285563870678
2010	4.17379506117866
2011	4.22159786780123
2012	4.09292984955902
2013	3.60910683099205
2014	3.483
2015	3.52