Year	2011 PPP (%)
1980	0.2
1986	0
1987	0
1991	0.7
1992	1.2
1993	1.2
1994	1.5
1995	2.4
1996	2.9
1997	2.4
1998	2.3
1999	2.5
2000	2.9
2001	4.9
2002	5.6
2003	2.6
2004	1.7
2005	1.3
2006	1.3
2007	1.1
2008	1.1
2009	1.1
2010	0.9
2011	0.3
2012	0.3
2013	0.3
2014	0.3
2016	0.3
2017	0.2