Year Purchasing power parity; 2017 international dollar (Units) 1980 15683.328 1981 15966.692 1982 15887.343 1983 15714.774 1984 15968.972 1985 16213.921 1986 16390.178 1987 17201.953 1988 18249.327 1989 19356.952 1990 20061.643 1991 20690.401 1992 22125.185 1993 22768.077 1994 23579.768 1995 24980.170 1996 25843.745 1997 26882.928 1998 27596.731 1999 28474.134 2000 28020.626 2001 27503.562 2002 27978.499 2003 28923.779 2004 28778.121 2005 29544.899 2006 30112.204 2007 31501.978 2008 32529.644 2009 31918.639 2010 33435.781 2011 33514.074 2012 34680.396 2013 36148.910 2014 38281.808 2015 40980.189 2016 41357.218 2017 44868.046 2018 46634.931 2019 48149.764 2020 42417.099 2021 47583.116 2022 50944.885 2023 51712.454 2024 54049.210 2025 55934.044 2026 57661.421 2027 59382.386 2028 61175.049 2029 63008.082