Year Purchasing power parity; 2011 international dollar (Units) 1980 7990.44 1981 8151.54 1982 8241.11 1983 8440.99 1984 8821.85 1985 9006.63 1986 9440.70 1987 10189.67 1988 10215.34 1989 10059.76 1990 10801.38 1991 10718.76 1992 11174.62 1993 11880.07 1994 11055.50 1995 11668.15 1996 12297.44 1997 13027.54 1998 13240.77 1999 12610.31 2000 13258.27 2001 12301.74 2002 12935.29 2003 13501.05 2004 14624.00 2005 15744.75 2006 16653.88 2007 17279.52 2008 17198.73 2009 16153.81 2010 17248.62 2011 18908.81 2012 19577.94 2013 20951.96 2014 21742.94 2015 22760.08 2016 23168.71 2017 24585.93 2018 24850.10 2019 23922.41 2020 24233.26 2021 24655.27 2022 25099.86 2023 25678.90 2024 26282.19