Year Purchasing power parity; 2017 international dollar (Units) 1980 7202.077 1981 7421.455 1982 7904.350 1983 7776.738 1984 8571.704 1985 9174.576 1986 10046.589 1987 10948.382 1988 12168.406 1989 13003.661 1990 13833.071 1991 14179.920 1992 14488.359 1993 15071.798 1994 15676.804 1995 16010.212 1996 16738.762 1997 17735.557 1998 17684.176 1999 18137.510 2000 19621.350 2001 20427.138 2002 20582.499 2003 19701.273 2004 20423.070 2005 22340.931 2006 22971.994 2007 23040.657 2008 25539.669 2009 24608.243 2010 24558.751 2011 24861.920 2012 24658.263 2013 26043.338 2014 28005.846 2015 28206.538 2016 29310.729 2017 29316.877 2018 29934.367 2019 31178.807 2020 26677.534 2021 26459.814 2022 28763.602 2023 29695.504 2024 31040.598 2025 32301.917 2026 33472.828 2027 34443.536 2028 35378.825 2029 36348.974