Year Purchasing power parity; 2017 international dollar (Units) 1980 18295.430 1981 16941.517 1982 16135.866 1983 16504.371 1984 16552.431 1985 15143.015 1986 16019.229 1987 16239.404 1988 15729.402 1989 14448.213 1990 13961.355 1991 15221.154 1992 16562.766 1993 17339.998 1994 18118.153 1995 17387.030 1996 18130.831 1997 19376.357 1998 19898.279 1999 19016.963 2000 18669.291 2001 17667.359 2002 15591.765 2003 16829.222 2004 18158.053 2005 19577.851 2006 20947.882 2007 22610.954 2008 23297.932 2009 21706.693 2010 23521.279 2011 24647.633 2012 24118.874 2013 24424.139 2014 23550.112 2015 23933.897 2016 23189.530 2017 23597.118 2018 22747.258 2019 22071.752 2020 19694.565 2021 21599.809 2022 22461.445 2023 21890.108 2024 21074.265 2025 21909.558 2026 22667.678 2027 23318.598 2028 23803.442 2029 24109.953