Year	2017 PPP (% of population)
2006	0.8
2007	1.1
2008	0.6
2009	1
2010	0.5
2011	0.6
2012	0.4
2013	0.2
2014	0.1
2015	0.3
2016	0.3
2017	0.3
2018	0.3
2019	0.7
2020	0.8