Year	2017 PPP (%)
1999	13.4
2001	14.3
2002	12.1
2003	9.8
2004	7.1
2005	4.3
2006	3.3
2007	2.8
2008	1.7
2009	2.5
2010	2.6
2011	2.5
2012	2.2
2013	2.4
2014	2.3
2015	2.1
2016	1.9
2017	1.6
2018	2.1
2019	1.9
2020	1.2
2021	1.6
2022	1.8