Year Purchasing power parity; 2017 international dollar (Units) 1980 2353.518 1981 2067.466 1982 1975.247 1983 1941.005 1984 1923.618 1985 1895.073 1986 1881.789 1987 1854.206 1988 1867.333 1989 1892.700 1990 1900.975 1991 1734.605 1992 1709.280 1993 1699.752 1994 1649.389 1995 1628.071 1996 1614.545 1997 1625.258 1998 1639.570 1999 1666.456 2000 1689.863 2001 1738.589 2002 1478.367 2003 1575.598 2004 1609.967 2005 1637.253 2006 1675.217 2007 1719.135 2008 1780.928 2009 1660.101 2010 1621.572 2011 1599.036 2012 1599.054 2013 1588.039 2014 1593.114 2015 1595.005 2016 1610.228 2017 1624.661 2018 1628.433 2019 1645.730 2020 1482.706 2021 1521.182 2022 1539.239 2023 1554.514 2024 1580.529 2025 1608.516 2026 1638.564 2027 1667.580 2028 1695.486 2029 1723.860