Year	2011 PPP (%)
1996	1.7
2001	2.5
2002	1.4
2003	0.9
2004	0.4
2005	1.6
2006	0.1
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0