Year	2011 PPP (%)
1987	4.1
1990	2.8
1992	1.5
1994	1.9
1996	1.2
1998	1.3
2000	1.8
2003	1.8
2006	0.9
2009	1.3
2011	0.7
2013	0.5
2015	0.8
2017	0.4