Year 2017 PPP (%) 1980 0.3 1986 1.2 1987 1.2 1991 1.1 1992 1.8 1993 2.1 1994 2.1 1995 3.6 1996 4.1 1997 3.6 1998 3.7 1999 4 2000 4.8 2001 7.5 2002 10.5 2003 4.8 2004 3.5 2005 2.7 2006 2.1 2007 1.7 2008 1.6 2009 1.4 2010 0.9 2011 0.7 2012 0.8 2013 0.7 2014 0.7 2016 0.8 2017 0.7 2018 1 2019 1.1 2020 1.2 2021 1 2022 0.8