Year	MJ/$2011 PPP GDP
1990	6.62193188658783
1991	6.79309713264478
1992	6.7644062054151
1993	6.66856983124347
1994	6.85533869661772
1995	6.81512237962769
1996	7.06435019014311
1997	6.81205802252191
1998	6.7909721630481
1999	6.58358483496159
2000	6.43243066163186
2001	6.36294999468489
2002	6.0083364172536
2003	6.20852799240211
2004	6.01994774886478
2005	5.88936781691768
2006	5.69515669511811
2007	5.41318352657469
2008	5.53509470263218
2009	5.44010323385748
2010	5.69871674566424
2011	5.21362674900748
2012	4.98387304650547
2013	5.16431552309613
2014	4.78244046666339
2015	4.74127411057829