Year Purchasing power parity; 2011 international dollar (Units) 1980 25189.89 1981 25098.49 1982 25270.33 1983 25340.32 1984 25978.47 1985 26394.99 1986 26872.91 1987 27476.46 1988 28742.28 1989 29583.94 1990 30450.24 1991 30886.72 1992 31249.90 1993 30806.93 1994 31699.33 1995 32359.35 1996 32834.44 1997 33961.75 1998 34557.77 1999 35713.97 2000 36920.10 2001 37131.36 2002 37622.81 2003 37745.33 2004 38964.67 2005 39592.41 2006 40331.50 2007 41434.29 2008 41436.51 2009 40178.03 2010 40950.04 2011 41077.27 2012 40894.00 2013 40747.60 2014 41100.73 2015 41596.35 2016 41940.08 2017 42497.40 2018 42884.55 2019 43214.12 2020 43588.63 2021 44003.08 2022 44434.98 2023 44876.63 2024 45320.66