Year MJ/$2011 PPP GDP 1990 4.64577451208005 1991 5.28768810815039 1992 4.5124019597837 1993 5.31615887025188 1994 3.65872342645258 1995 3.89279355968629 1996 3.80753203450073 1997 3.708679600351 1998 4.15943131938018 1999 4.48074749998945 2000 4.20697785454309 2001 4.37594160931681 2002 4.24983970204389 2003 4.26924241511994 2004 4.32760986635293 2005 4.32492545332823 2006 4.17227737607567 2007 4.10581518721768 2008 4.87143962984287 2009 5.12965430358548 2010 4.73861274440615 2011 4.6830214063545 2012 4.56037558566737 2013 4.47088292873395 2014 3.87779935161732 2015 3.78336014014944