Year Purchasing power parity; 2011 international dollar (Units) 1980 11372.21 1981 10634.17 1982 10466.78 1983 9896.19 1984 10203.75 1985 10784.26 1986 11367.48 1987 11552.43 1988 11371.63 1989 11530.35 1990 10726.64 1991 10655.50 1992 10424.82 1993 10763.46 1994 11213.84 1995 11508.58 1996 11200.81 1997 11402.56 1998 11266.25 1999 11149.56 2000 11470.20 2001 11467.52 2002 11665.96 2003 11654.57 2004 12180.18 2005 12424.51 2006 12772.94 2007 13405.85 2008 13943.42 2009 13784.59 2010 14679.32 2011 15131.51 2012 15290.12 2013 15617.09 2014 15562.72 2015 14880.71 2016 14269.89 2017 14305.86 2018 14359.54 2019 14552.25 2020 14821.22 2021 15053.23 2022 15293.49 2023 15542.18 2024 15799.58