Year Purchasing power parity; 2011 international dollar (Units) 1980 1378.88 1981 1343.80 1982 1371.43 1983 1297.56 1984 1340.77 1985 1369.66 1986 1328.07 1987 1375.62 1988 1375.11 1989 1387.34 1990 1422.08 1991 1492.08 1992 1504.13 1993 1504.32 1994 1514.83 1995 1541.28 1996 1564.41 1997 1622.53 1998 1319.40 1999 1462.26 2000 1428.72 2001 1426.95 2002 1379.21 2003 1355.76 2004 1363.91 2005 1391.99 2006 1393.82 2007 1408.45 2008 1421.96 2009 1437.15 2010 1492.10 2011 1578.02 2012 1517.61 2013 1533.29 2014 1514.75 2015 1573.06 2016 1635.60 2017 1695.12 2018 1721.66 2019 1768.83 2020 1817.29 2021 1867.07 2022 1917.79 2023 1971.71 2024 2027.13