Year MJ/$2011 PPP GDP 1990 9.19572968541 1991 9.12171601371653 1992 8.91726457862505 1993 8.73754506612679 1994 8.4621262372444 1995 8.41497340564809 1996 8.14932861863828 1997 7.86666871216326 1998 7.73073323802879 1999 7.61258062055827 2000 7.37748500203025 2001 7.28758083751976 2002 7.22124360059975 2003 7.25303394773129 2004 7.17726097307434 2005 7.04980389359106 2006 6.87359643333136 2007 6.62984114888248 2008 6.47677711148859 2009 6.4522315658432 2010 6.41679597187201 2011 6.33398364203285 2012 6.23682333068872 2013 6.06435955449842 2014 5.78942932317694 2015 5.59692096149181