Year	MJ/$2011 PPP GDP
1990	4.14900700344758
1991	4.20300831355174
1992	4.32483315114607
1993	4.61111415719532
1994	4.97538735051004
1995	4.13095049208862
1996	4.51962733602708
1997	4.3246696958084
1998	4.40428871640252
1999	4.22937684314848
2000	4.30502512877051
2001	4.11223628366031
2002	4.03841141157636
2003	4.27451178773958
2004	3.83601269180676
2005	3.75285261433596
2006	3.73477823397594
2007	3.75939448226309
2008	3.84281090158249
2009	3.83426865947071
2010	3.65863068239522
2011	3.53275780934667
2012	3.4053026438289
2013	3.13891371872103
2014	3.2611501617483
2015	3.27462324276895