Year MJ/$2011 PPP GDP 1990 5.72715195500438 1991 5.75858147512483 1992 5.44552526388618 1993 5.94250989629007 1994 10.3985242888184 1995 13.7916914966649 1996 13.0517375214426 1997 14.2908489819566 1998 13.2973882560451 1999 12.8872115035583 2000 8.37056837509515 2001 7.71060545803674 2002 6.78817054310323 2003 6.67619871894073 2004 6.23760534770131 2005 7.69074149187237 2006 7.23875024843976 2007 6.9823836507691 2008 6.51035813753078 2009 6.34263292767028 2010 6.14284626116115 2011 5.93616146147797 2012 5.69138247683543 2013 5.63237299907089 2014 5.3376393505513 2015 4.88485541750085