Year 2017 PPP (%) 1989 8.2 1992 7 1994 7.4 1996 12.2 1998 12.5 2000 9.1 2002 7.1 2004 6.3 2005 6.6 2006 5 2008 5.7 2010 4.6 2012 4.2 2014 4 2016 2.5 2018 2.1 2020 2.3 2022 1.3