Year 2011 PPP (%) 1989 6.5 1992 8.5 1994 9 1996 17.6 1998 13.2 2000 7.8 2002 6.4 2004 5.5 2005 5.8 2006 4 2008 5 2010 4.3 2012 3.8 2014 3.7 2016 2.3