Year Purchasing power parity; 2017 international dollar (Units) 1980 511.576 1981 524.400 1982 477.133 1983 394.141 1984 362.795 1985 362.741 1986 353.176 1987 405.796 1988 440.047 1989 466.896 1990 464.980 1991 482.778 1992 430.753 1993 459.093 1994 469.793 1995 463.182 1996 497.394 1997 541.348 1998 582.673 1999 635.272 2000 623.233 2001 683.646 2002 728.077 2003 757.734 2004 796.042 2005 822.197 2006 878.554 2007 919.871 2008 956.516 2009 985.872 2010 1023.262 2011 1066.533 2012 1120.519 2013 1161.540 2014 1216.483 2015 1269.905 2016 1291.910 2017 1288.084 2018 1297.869 2019 1290.166 2020 1237.945 2021 1231.863 2022 1250.772 2023 1289.682 2024 1316.504 2025 1344.301 2026 1359.821 2027 1497.314 2028 1634.049 2029 1726.566