Year	2017 PPP (%)
1987	0.8
1992	0.7
1995	0.1
2000	0.1
2003	0.3
2004	0.3
2005	0.3
2006	0.2
2007	0.3
2008	0.3
2009	0.6
2010	0.1
2011	0.1
2012	0.1
2013	0.4
2014	0.3
2015	0.2
2016	0.3
2017	0.2
2018	0.2
2019	0.3
2020	0.2
2021	0.2