Year 2017 PPP (%) 1996 1.4 1997 6.7 1998 6.3 1999 7.6 2000 8.1 2001 7.8 2002 3.8 2003 4 2004 3.8 2005 4 2006 3.8 2007 4.2 2008 3.6 2009 3.7 2010 4.4 2011 4.3 2012 3 2013 2.1 2014 1.6 2015 1.2 2016 1.2 2017 1.6 2018 1.5 2019 1.1 2020 1.5 2021 1.3