Year	MJ/$2011 PPP GDP
1990	8.53531545336153
1991	8.11232497462132
1992	7.99806234019986
1993	7.97208589031626
1994	7.85211271511443
1995	7.8197816516288
1996	7.63370355474699
1997	7.42501900906779
1998	7.39251420939935
1999	7.30570375693705
2000	7.16529632980258
2001	7.03078952923733
2002	6.98754946969054
2003	7.12719856854805
2004	7.32031331395006
2005	7.27684940470108
2006	7.17339636730345
2007	6.96939441765414
2008	6.74939403052423
2009	6.76227366864323
2010	6.79979356893362
2011	6.66174797312713
2012	6.47341100655203
2013	6.30581648661691
2014	5.85916736794922
2015	5.60985790175053