Year 2017 PPP (%) 1981 5.3 1989 4.1 1992 3.4 1995 3.3 1996 3.5 1997 3.4 1998 3.4 2000 3.6 2001 4.1 2002 5.5 2003 7.3 2004 8.1 2005 7.3 2006 6.6 2007 5.6 2008 3.9 2009 3.7 2010 3.1 2011 2.2 2012 2.1 2013 1.9 2014 1.6 2015 1.5 2016 1.3 2017 1.1 2018 1.1 2019 1.1 2020 1.7 2021 1.6 2022 1.6