Year Purchasing power parity; 2017 international dollar (Units) 1980 1563.745 1981 1509.519 1982 1490.622 1983 1384.871 1984 1113.907 1985 1161.350 1986 1196.269 1987 1160.204 1988 1201.851 1989 1176.216 1990 1125.133 1991 1084.507 1992 1069.797 1993 1037.264 1994 1020.863 1995 1010.721 1996 977.103 1997 957.750 1998 1016.583 1999 978.667 2000 932.570 2001 964.624 2002 975.666 2003 960.868 2004 929.229 2005 960.888 2006 980.507 2007 974.043 2008 1010.452 2009 991.773 2010 1036.263 2011 1020.349 2012 1084.783 2013 1098.617 2014 1126.797 2015 1131.518 2016 1151.175 2017 1163.226 2018 1198.125 2019 1224.373 2020 1220.913 2021 1192.470 2022 1285.671 2023 1256.457 2024 1337.350 2025 1367.801 2026 1396.971 2027 1425.964 2028 1457.651 2029 1490.672