Year	2017 PPP (% of population)
2006	11.5
2007	4.9
2008	3.5
2009	3
2010	4.6
2011	5.1
2012	5.5
2013	5
2014	3.9
2015	6.1
2016	4.8
2017	3.5
2018	2.3
2019	2.8
2020	1.4
2021	2