Year	2017 PPP (%)
1982	0.3
1983	0.3
1984	0.3
1985	0.3
1986	0.3
1987	0.3
1988	0.3
1989	0.3
1990	0.3
1991	0.3
1992	0.3
1993	0.4
1994	0.5
1995	0.5
1996	0.5
1997	0.4
1998	0.4
1999	0.5
2000	0.4
2001	0.4
2002	0.4
2003	0.4
2004	0.4
2005	0.4
2006	0.4
2007	0.3
2008	0.3
2009	0.3
2010	0.3
2011	0.3
2012	0.3
2013	0.4
2014	0.4
2015	0.4
2016	0.4
2017	0.4
2018	0.4
2019	0.3
2020	0.2
2021	0.2
2022	0.2