Year	2017 PPP (%)
1977	0.3
1978	0.4
1979	0.3
1980	0.1
1981	0.1
1982	0.1
1983	0.2
1984	0.1
1986	0.2
1987	0.9
1989	0
1991	0.3
1993	1.1
1995	0.6
1998	1.6
2000	1.2
2002	1.4
2003	0.7
2004	0.6
2005	0.6
2006	0.6
2007	0.7
2008	0.7
2009	0.8
2010	1.1
2011	1.1
2012	1.1
2013	1.3
2014	1.2
2015	1.7
2016	1.5
2017	1.3
2018	1.3
2019	0.9
2020	0.8
2021	0.7