Year 2017 PPP (%) 1987 14.7 1994 15.3 1995 13.6 1998 14.4 1999 18.7 2000 23.1 2003 12.8 2004 13.3 2005 10.3 2006 7.4 2007 7.5 2008 6.9 2009 6.5 2010 5.2 2011 4.5 2012 4.1 2013 3.2 2014 2.7 2015 3.3 2016 3.3 2017 3 2018 3.1 2019 3.3 2020 5.4 2021 3.6 2022 3.1