Year MJ/$2011 PPP GDP 1990 4.94868760830833 1991 4.50369269794207 1992 4.25365868646795 1993 5.20884846369546 1994 4.47069511375482 1995 3.86855746869692 1996 3.66758512885191 1997 3.91374454606333 1998 3.28123633946334 1999 3.41674246457064 2000 2.86993106181074 2001 3.39439533276167 2002 3.07792891891008 2003 3.46103449875325 2004 3.4936725689685 2005 3.57970398296157 2006 3.31245081597455 2007 3.34403004114013 2008 3.06972904782331 2009 2.93863947088279 2010 3.01906598643868 2011 2.96181253484107 2012 3.09999380987815 2013 2.63548988143364 2014 2.34512701479958 2015 1.80845409467434