Year Purchasing power parity; 2017 international dollar (Units) 1980 673.541 1981 698.221 1982 749.217 1983 819.221 1984 931.543 1985 1042.389 1986 1117.676 1987 1227.964 1988 1344.268 1989 1379.873 1990 1413.100 1991 1520.403 1992 1717.489 1993 1933.654 1994 2161.272 1995 2373.174 1996 2581.590 1997 2792.097 1998 2984.049 1999 3187.053 2000 3430.959 2001 3690.639 2002 4001.128 2003 4375.732 2004 4790.101 2005 5304.324 2006 5947.033 2007 6759.277 2008 7370.108 2009 8027.091 2010 8836.395 2011 9621.154 2012 10299.393 2013 11034.449 2014 11770.838 2015 12535.035 2016 13306.594 2017 14151.786 2018 15050.183 2019 15893.004 2020 16225.857 2021 17590.899 2022 18127.560 2023 19082.239 2024 19976.737 2025 20807.231 2026 21611.366 2027 22409.757 2028 23198.507 2029 23997.822