Year MJ/$2011 PPP GDP 1990 5.07949821174626 1991 4.9957070217735 1992 5.09086536979511 1993 5.56304638740085 1994 6.28272561342937 1995 6.42136265709391 1996 5.82405808317677 1997 6.43109299675709 1998 6.41595729870731 1999 7.13531356223302 2000 6.57041091843705 2001 6.96203744318936 2002 6.66270859362058 2003 6.33782333003608 2004 6.62441888027701 2005 7.05480557026016 2006 6.97537644625792 2007 6.76373933170002 2008 7.18200345802922 2009 7.00606272479024 2010 6.57547243934008 2011 6.46290312240067 2012 7.20044694559893 2013 7.48354717395952 2014 7.69766929431342 2015 7.79411629860581