Year Purchasing power parity; 2011 international dollar (Units) 1980 1736.04 1981 1696.46 1982 1634.80 1983 1604.89 1984 1628.88 1985 1584.17 1986 1605.95 1987 1596.17 1988 1552.36 1989 1483.83 1990 1342.08 1991 1189.48 1992 1031.02 1993 863.656 1994 784.698 1995 780.614 1996 746.575 1997 673.81 1998 634.999 1999 598.876 2000 534.128 2001 508.102 2002 491.724 2003 486.874 2004 487.152 2005 484.563 2006 494.143 2007 508.488 2008 523.23 2009 521.39 2010 541.116 2011 560.425 2012 582.666 2013 613.677 2014 652.227 2015 677.026 2016 673.084 2017 675.915 2018 682.133 2019 691 2020 700.455 2021 710.5 2022 721.67 2023 733.746 2024 747.044