Year	2011 PPP (%)
1990	1.3
1995	10.4
1997	8.8
1999	8.6
2001	7.5
2002	11
2003	7.3
2004	5.5
2005	5.4
2006	7.1
2007	6.4
2008	4.3
2009	4.8
2010	4.8
2011	4.7
2012	3.1
2013	2.1
2014	2.2
2015	2
2016	2
2017	1.4