Year	MJ/$2011 PPP GDP
1990	6.12700146494079
1991	6.21947297410416
1992	5.88774478198736
1993	5.57406148392484
1994	5.69228794049164
1995	5.71166039932893
1996	5.7405036152523
1997	5.67778598767429
1998	5.70043932281147
1999	5.49537088174717
2000	5.51895267920818
2001	5.19035301629784
2002	5.15331588997916
2003	5.05825527821593
2004	5.60025606005277
2005	5.55916155963056
2006	5.27945553991479
2007	5.13349850443959
2008	4.69429809728008
2009	4.69547415019559
2010	4.3700287327299
2011	4.23850913775842
2012	4.58713528584879
2013	4.39134860010471
2014	4.50893844675103
2015	4.64266142520708