Year MJ/$2011 PPP GDP 1990 8.02715103758932 1991 9.0325334872173 1992 8.48350996664961 1993 8.92084388170944 1994 8.82897587979334 1995 8.93364672769357 1996 9.082155554274 1997 8.21987523912538 1998 7.75209672909096 1999 7.88352383614617 2000 7.04130933909399 2001 7.48918582053498 2002 7.90388306473269 2003 7.88917581458146 2004 7.8029816049081 2005 7.2594045476106 2006 6.76387976665462 2007 6.47760863056332 2008 5.6567500049592 2009 5.38326147076975 2010 5.13431410114239 2011 5.12677428127567 2012 5.950003527827 2013 6.02601909311136 2014 6.47597823364531 2015 6.40292553912267