Year	2011 PPP (%)
1992	4.7
1996	9.1
1999	11
2000	11
2001	10.2
2002	5.4
2003	4.5
2004	3.6
2005	3.3
2008	4.3
2009	3.4
2010	2.9
2011	2.3
2012	2.3
2013	2.2
2014	2
2015	1.8
2016	1.8
2017	1.6