Year MJ/$2011 PPP GDP 1990 6.94364557030416 1991 6.94414896431779 1992 6.83863684934856 1993 6.82613226875416 1994 6.71206057308799 1995 6.67417320893126 1996 6.65393808086984 1997 6.47900713776217 1998 6.33188510118559 1999 6.22910471706815 2000 6.12081160818445 2001 6.01063237055008 2002 5.94717219447605 2003 5.90463012309918 2004 5.82739087610398 2005 5.68386342550641 2006 5.50175544103243 2007 5.37965997610205 2008 5.29446868411489 2009 5.22463846544726 2010 5.2642714591796 2011 5.05989831908323 2012 4.95057656259305 2013 4.90751437116404 2014 4.75624206131017 2015 4.62829331119621