Year	MJ/$2011 PPP GDP
1990	4.82833986565954
1991	4.57270014154948
1992	4.4041091613469
1993	4.21887319379018
1994	4.29103718682437
1995	4.16795870011839
1996	4.29795722839204
1997	4.51446529606594
1998	4.52826180506339
1999	4.848140596377
2000	4.66548330681963
2001	4.42996648160472
2002	4.48877881372488
2003	4.36281734995844
2004	4.38153226502533
2005	4.279382090683
2006	4.26640114605916
2007	4.20801560268492
2008	4.03486353611815
2009	3.96872105175359
2010	3.92122815075776
2011	4.03659433983758
2012	4.23742939539713
2013	4.23827868872777
2014	3.76875108343125
2015	3.77685121790114