Year Purchasing power parity; 2011 international dollar (Units) 1980 7986.48 1981 8344.03 1982 7094.34 1983 6786.45 1984 7073.95 1985 7102.57 1986 7368.93 1987 7718.93 1988 8141.60 1989 8855.44 1990 9030.55 1991 9551.02 1992 10370.77 1993 10893.63 1994 11271.34 1995 12089.57 1996 12739.58 1997 13501.40 1998 13909.45 1999 13673.90 2000 14233.69 2001 14536.65 2002 14822.53 2003 15268.16 2004 16198.69 2005 16958.12 2006 17848.20 2007 18532.20 2008 18986.64 2009 18481.13 2010 19348.13 2011 20305.76 2012 21156.36 2013 21802.41 2014 21968.95 2015 22245.87 2016 22379.07 2017 22428.55 2018 23092.07 2019 23632.28 2020 24148.35 2021 24617.24 2022 25096.59 2023 25581.02 2024 26089.66