Year Purchasing power parity; 2017 international dollar (Units) 1980 840.575 1981 840.552 1982 798.301 1983 774.656 1984 727.844 1985 774.124 1986 721.643 1987 726.330 1988 723.094 1989 693.835 1990 690.254 1991 660.344 1992 850.246 1993 908.329 1994 1024.996 1995 1251.183 1996 1840.545 1997 4391.109 1998 5267.620 1999 6395.434 2000 12928.331 2001 19865.687 2002 22813.403 2003 25050.958 2004 31303.001 2005 32419.368 2006 33005.961 2007 36347.342 2008 40889.487 2009 39583.925 2010 34459.656 2011 35113.411 2012 36409.998 2013 33450.827 2014 32231.181 2015 28149.294 2016 24698.800 2017 22449.899 2018 20309.552 2019 18544.020 2020 17076.472 2021 16472.400 2022 16485.634 2023 15044.146 2024 14676.440 2025 13607.354 2026 12812.370 2027 12671.217 2028 12325.675 2029 12361.755