Year $ 2017 PPP (%) 1998 7.5 1999 9.72 2000 10.35 2001 10.27 2002 9.43 2003 7.27 2004 5.59 2005 8.02 2006 5.04 2007 2.43 2008 2.88 2009 2.58 2010 1.82 2011 1.21 2012 0.89 2013 0.73 2014 0.38 2015 0.43 2016 0.35 2017 0.21 2018 0.11 2019 0.56 2020 0.6 2021 0.35