Year	MJ/$2011 PPP GDP
1990	4.30014889061669
1991	4.21110743808485
1992	4.38810237693491
1993	4.49926460352538
1994	4.73174146034622
1995	5.07272919912024
1996	5.22591597894343
1997	5.43049540814489
1998	5.22635303488261
1999	5.11419589093846
2000	5.58123125147981
2001	4.27066434214002
2002	4.99561830520618
2003	5.05661441468652
2004	4.85996260853167
2005	5.07615407652688
2006	6.06245378822925
2007	4.72370825308009
2008	4.73288121541493
2009	4.76987599740643
2010	4.99010922547587
2011	5.00919357131188
2012	5.47837472258494
2013	5.1575192655638
2014	5.16715249349519
2015	4.94824309303077