Year MJ/$2011 PPP GDP 1990 9.19781737077451 1991 9.12985845688126 1992 8.91812622544198 1993 8.73742152105227 1994 8.45102175564337 1995 8.38924644219969 1996 8.13111811581313 1997 7.84215254921847 1998 7.69095382341371 1999 7.57262386759137 2000 7.33073363059943 2001 7.24378671932184 2002 7.17794829228707 2003 7.20804617456015 2004 7.12880627360349 2005 7.00428011968011 2006 6.83319999834383 2007 6.58877252650649 2008 6.43592852399462 2009 6.40767469040884 2010 6.37767430958023 2011 6.29318978887084 2012 6.19589142585549 2013 6.02750024051813 2014 5.74981059717462 2015 5.56019398850055