Year Purchasing power parity; 2017 international dollar (Units) 1980 18708.074 1981 18771.961 1982 11812.028 1983 14406.490 1984 20688.275 1985 25580.374 1986 23768.155 1987 27670.669 1988 19741.325 1989 11236.636 1990 9462.696 1991 12546.291 1992 12452.047 1993 12625.912 1994 13009.608 1995 13363.399 1996 13586.202 1997 14775.177 1998 15205.567 1999 14865.587 2000 14657.516 2001 14663.550 2002 14468.915 2003 14023.558 2004 14478.172 2005 14178.061 2006 14213.178 2007 15511.976 2008 16927.762 2009 18472.951 2010 19382.062 2011 18614.649 2012 17934.944 2013 17439.249 2014 16879.154 2015 16251.853 2016 16058.264 2017 15953.625 2018 15561.543 2019 14493.268 2020 10786.067 2021 9852.601 2022 9988.467