Year Purchasing power parity; 2011 international dollar (Units) 1980 2242.76 1981 2164.64 1982 2311.64 1983 2217.41 1984 2282.83 1985 2113.84 1986 2037.14 1987 1805.29 1988 1940.91 1989 1837.95 1990 1765.25 1991 1726.14 1992 1724.05 1993 1717.53 1994 1723.00 1995 1697.27 1996 1687.93 1997 1692.30 1998 1777.97 1999 1717.26 2000 1789.08 2001 1731.95 2002 1768.14 2003 1771.13 2004 1710.88 2005 1763.25 2006 1724.82 2007 1722.41 2008 1650.43 2009 1628.22 2010 1578.79 2011 1582.81 2012 1635.53 2013 1681.98 2014 1648.19 2015 1795.68 2016 1862.88 2017 1844.34 2018 1853.86 2019 1863.86 2020 1874.96 2021 1881.11 2022 1885.31 2023 1889.83 2024 1892.45