Year	2011 PPP (%)
1990	0.3
1995	5.3
1997	4.5
1999	4.1
2001	3.3
2002	5
2003	2.7
2004	1.7
2005	2
2006	2.4
2007	2.4
2008	1.3
2009	1.7
2010	1.7
2011	1.6
2012	0.9
2013	0.6
2014	0.6
2015	0.4
2016	0.3
2017	0.2