Year	2017 PPP (%)
1990	6.7
1995	21.6
1997	18.8
1999	18.9
2001	18
2002	24.7
2003	19.4
2004	17.2
2005	15.8
2006	18.9
2007	16.8
2008	14.3
2009	14.6
2010	13.7
2011	13
2012	10.4
2013	8
2014	8.2
2015	8.1
2016	8.1
2017	6.7
2018	6.6
2019	6.2
2020	6.9
2021	6.2
2022	6.5