Year	2011 PPP (% of population)
1989	0.7
1992	2.8
1994	42.2
2006	19
2007	14.7
2008	11.2
2009	10.5
2010	11.9
2011	13.7
2012	14.2
2013	16
2014	14.9
2015	13.2