Year Purchasing power parity; 2011 international dollar (Units) 1980 24402.81 1981 25008.79 1982 24615.76 1983 24191.27 1984 25408.43 1985 26418.52 1986 26665.80 1987 27534.05 1988 28202.02 1989 29071.60 1990 29107.66 1991 28467.03 1992 28901.01 1993 29754.14 1994 30905.57 1995 31387.48 1996 32317.50 1997 33462.03 1998 34675.89 1999 35808.61 2000 36468.79 2001 36943.57 2002 38056.65 2003 38636.08 2004 39849.76 2005 40460.60 2006 40964.01 2007 41962.80 2008 42163.40 2009 42191.77 2010 42600.75 2011 43098.68 2012 43976.48 2013 44203.45 2014 44713.66 2015 45156.35 2016 45640.28 2017 46000.57 2018 46554.63 2019 46776.88 2020 47316.41 2021 47863.75 2022 48360.13 2023 48865.95 2024 49371.14