Year	MJ/$2011 PPP GDP
1990	3.53283639755849
1991	3.67757253652069
1992	3.71723892723873
1993	4.03816822661785
1994	4.04708467372448
1995	4.25300294318085
1996	4.55334140139014
1997	4.79747608847508
1998	4.74891700796297
1999	4.72287003809466
2000	5.01796838860422
2001	5.16647363783063
2002	5.34709303297403
2003	5.39027322957451
2004	5.10225438915564
2005	5.04190206924316
2006	4.815514166382
2007	4.9028320076976
2008	4.92192602995991
2009	4.5370730149431
2010	4.76044947116624
2011	4.30692512396535
2012	4.41562748518415
2013	4.30619460004079
2014	4.12672308812277
2015	3.41189662230203