Year Purchasing power parity; 2011 international dollar (Units) 1980 20547.12 1981 20378.55 1982 20812.97 1983 21682.03 1984 22139.02 1985 23008.74 1986 23676.91 1987 24879.29 1988 26260.12 1989 26858.70 1990 26981.17 1991 26594.25 1992 26625.24 1993 27236.87 1994 28225.36 1995 28837.14 1996 29497.58 1997 30684.80 1998 31622.75 1999 32522.80 2000 33530.54 2001 34350.65 2002 35059.27 2003 36065.42 2004 36719.45 2005 37585.37 2006 38280.74 2007 38940.21 2008 38488.53 2009 36595.42 2010 36925.70 2011 37221.67 2012 37511.34 2013 38039.49 2014 38863.07 2015 39462.62 2016 39839.53 2017 40324.98 2018 40626.72 2019 40857.83 2020 41192.20 2021 41606.29 2022 42044.02 2023 42513.42 2024 42997.95