Year MJ/$2011 PPP GDP 1990 4.45917143931248 1991 4.25008478389335 1992 4.38399543374822 1993 4.17568005672029 1994 4.3740014754246 1995 4.32814670965832 1996 4.22234126505664 1997 4.13024900818316 1998 4.29617494759585 1999 4.18722026726597 2000 4.14407805234198 2001 4.21395624365832 2002 4.21424072240154 2003 4.13517867591193 2004 4.10344992744152 2005 3.89571224170213 2006 3.89628001793314 2007 3.77106099033042 2008 3.77309302472694 2009 3.5571331053167 2010 3.85823584860908 2011 3.77244851859241 2012 3.79749781110464 2013 3.77319866800328 2014 3.70135088441098 2015 3.77539424242924