Year Purchasing power parity; 2011 international dollar (Units) 1980 25680.70 1981 26498.23 1982 26736.28 1983 25788.50 1984 26529.10 1985 27153.24 1986 28665.60 1987 30866.35 1988 30414.61 1989 29965.72 1990 30093.24 1991 29781.68 1992 28349.10 1993 28430.39 1994 29158.76 1995 28983.50 1996 30259.30 1997 31520.18 1998 33456.50 1999 34388.64 2000 35639.45 2001 36465.45 2002 36302.11 2003 36881.47 2004 39559.69 2005 41633.01 2006 42895.70 2007 45726.56 2008 45486.23 2009 41884.50 2010 40666.72 2011 41324.96 2012 41713.58 2013 43130.01 2014 43512.62 2015 45104.09 2016 47597.27 2017 48932.12 2018 49704.76 2019 49371.66 2020 49809.57 2021 50244.06 2022 50660.45 2023 51097.62 2024 51536.08