Year	MJ/$2011 PPP GDP
1990	9.20817643710772
1991	9.19162715445514
1992	9.26996771625129
1993	9.44097902200663
1994	9.53695372871753
1995	9.46130438604008
1996	9.17192572827819
1997	8.93148915471319
1998	8.81015877169082
1999	8.72085367746616
2000	8.52258379092055
2001	8.40978757501281
2002	8.17123037620287
2003	8.00413336774372
2004	7.71725433422382
2005	7.36502494808511
2006	7.10255805053737
2007	6.72610856907219
2008	6.47558640199118
2009	6.42591131719698
2010	6.26787251699202
2011	6.22000921584354
2012	6.05375176840982
2013	5.9505552677593
2014	5.82026752257394
2015	5.85909589348902