Year	MJ/$2011 PPP GDP
1990	8.07311209066629
1991	9.27758486037985
1992	9.66793499761059
1993	9.88664176583365
1994	9.99117549465688
1995	9.92298771420786
1996	9.62140017947864
1997	9.44447697602391
1998	8.38314135064589
1999	8.02370876497015
2000	8.11453239316374
2001	8.17510078475985
2002	8.22979268065432
2003	8.48997890627144
2004	7.20291976088966
2005	7.02871661619036
2006	6.62428499123164
2007	6.3889671017161
2008	6.20564683829052
2009	6.12963162825093
2010	6.1354863053587
2011	6.18130766904408
2012	6.09500363457472
2013	5.94288593612465
2014	5.80517373466463
2015	5.80364491982155