Year MJ/$2011 PPP GDP 1990 3.89946975846881 1991 3.71422440464463 1992 3.71803957750277 1993 3.7489666638252 1994 3.76898343134996 1995 3.90083341084756 1996 3.7541441889387 1997 3.75324407139327 1998 3.72007096007324 1999 3.60124124575168 2000 3.53893810027274 2001 3.68413051259448 2002 3.63288692213999 2003 3.65483812946528 2004 3.53715298214496 2005 3.44757128087041 2006 3.46279790842764 2007 3.37923652990158 2008 3.34561817215582 2009 3.35070650577119 2010 3.43732478581831 2011 3.34942383956602 2012 3.29957758916921 2013 3.17849390914751 2014 3.12943728409882 2015 3.13980502442378