Year Purchasing power parity; 2011 international dollar (Units) 1980 1870.29 1981 1747.76 1982 1623.48 1983 1486.01 1984 1518.72 1985 1522.43 1986 1521.28 1987 1437.00 1988 1535.41 1989 1554.46 1990 1605.09 1991 1560.60 1992 1480.99 1993 1215.48 1994 1355.14 1995 1581.21 1996 1475.49 1997 1482.09 1998 1400.00 1999 1389.03 2000 1334.62 2001 1309.38 2002 1325.90 2003 1382.34 2004 1338.27 2005 1247.56 2006 1252.40 2007 1141.21 2008 1155.88 2009 1187.39 2010 1226.40 2011 1270.42 2012 1317.99 2013 1362.12 2014 1405.65 2015 1448.72 2016 1491.14 2017 1518.56 2018 1551.63 2019 1589.98 2020 1633.17 2021 1679.13 2022 1726.38 2023 1774.96 2024 1824.90