Year	2017 PPP (% of population)
2006	0.5
2007	0.4
2008	0.1
2009	0.4
2010	0.2
2011	0.2
2012	0.1
2013	0
2014	0
2015	0.1
2016	0.1
2017	0.2
2018	0.1
2019	0.3
2020	0.3