Year $ 2017 PPP (%) 2000 19.89 2001 20.35 2002 14.75 2003 13.26 2004 5.28 2005 10.85 2006 5.85 2007 7.46 2008 1.91 2009 2.66 2016 0.33 2019 0.14 2020 0.51