Year	2017 PPP (%)
1990	3.6
1992	8.8
1997	13.1
1999	18.7
2000	21.2
2001	15.9
2002	17.1
2004	8.9
2005	13.1
2006	10.9
2007	8.3
2008	7
2009	6.8
2011	4.5
2012	5.4
2013	4.4
2014	3.8
2015	4
2016	4.8
2017	4.1
2018	3
2019	1.9
2020	2.5
2021	1.8