Year	2011 PPP (%)
1992	13
1993	11.8
1995	18.1
1996	20.8
2002	13.7
2003	9.7
2004	7.4
2005	4.3
2006	3.2
2007	2.9
2008	1.5
2009	1.7
2010	1
2011	0.9
2012	0.7
2013	0.5
2014	0.5
2015	1.4
2016	1.2