Year	MJ/$2011 PPP GDP
1990	10.7463776104129
1991	10.244073001465
1992	10.1192954077307
1993	10.0281810117686
1994	9.25985621401575
1995	9.08500968890966
1996	8.973749800604
1997	8.52059425474519
1998	7.89992069660419
1999	7.35039102421532
2000	6.97951818438913
2001	6.94478534167072
2002	6.75053273482747
2003	6.66661033485364
2004	6.30835909757697
2005	6.08725959096279
2006	5.85517115726418
2007	5.49033914256597
2008	5.28431279084408
2009	5.11347893334284
2010	5.22086569769798
2011	5.05545359852869
2012	4.87485670613957
2013	4.69370688606687
2014	4.45484277466106
2015	4.38511398495146