Year Purchasing power parity; 2017 international dollar (Units) 1980 77340.088 1981 59118.272 1982 57312.155 1983 52409.676 1984 46065.240 1985 46602.438 1986 39765.457 1987 32527.564 1988 31016.378 1989 31803.752 1990 35012.299 1991 40476.407 1992 37770.365 1993 34921.928 1994 35348.505 1995 29264.489 1996 29225.591 1997 27992.884 1998 27304.062 1999 26824.135 2000 27423.467 2001 27715.650 2002 26283.004 2003 30075.797 2004 31313.667 2005 34143.225 2006 33636.560 2007 35175.758 2008 34521.444 2009 32559.478 2010 33737.312 2011 17087.653 2012 30094.639 2013 24746.831 2014 19065.775 2015 18718.122 2016 18256.662 2017 23949.326 2018 25595.531 2019 22505.107 2020 15718.945 2021 19973.335 2022 18143.894 2023 19788.876 2024 21127.612 2025 22371.546 2026 23074.842 2027 23305.024 2028 23569.850 2029 23872.331