Year 2017 PPP (%) 1990 1.3 1995 10.6 1997 8.9 1999 8.7 2001 7.6 2002 11.2 2003 7.4 2004 5.6 2005 5.5 2006 7.2 2007 6.5 2008 4.3 2009 4.9 2010 4.9 2011 4.7 2012 3.2 2013 2.1 2014 2.3 2015 2.1 2016 2 2017 1.3 2018 1.6 2019 1.3 2020 1.2 2021 1 2022 1.5