Year 2017 PPP (%) 1987 7.3 1994 7.7 1995 6.6 1998 6.1 1999 9.8 2000 11.6 2003 5.8 2004 6.2 2005 4.5 2006 2.8 2007 3.2 2008 2.9 2009 2.6 2010 1.9 2011 1.8 2012 1.5 2013 1 2014 0.8 2015 1.2 2016 1.2 2017 1.1 2018 1 2019 1.1 2020 2.1 2021 1 2022 1