Year 2011 PPP (%) 1986 4.7 1989 11 1992 5.4 1996 4.7 1997 4.8 2000 4.7 2001 3.8 2002 5.1 2003 6.1 2004 7.9 2005 5.3 2006 4.3 2007 4.2 2008 3.9 2009 3.4 2010 3.1 2011 3.1 2012 3.1 2013 2.6 2014 2.3 2015 1.9 2016 1.7