Year Purchasing power parity; 2011 international dollar (Units) 1980 3422.08 1981 3552.63 1982 3701.46 1983 3728.45 1984 4227.22 1985 4626.60 1986 4839.18 1987 5134.74 1988 5441.12 1989 5796.04 1990 5352.54 1991 5463.92 1992 5657.78 1993 5805.15 1994 6078.62 1995 6405.48 1996 6838.46 1997 7392.92 1998 7951.15 1999 8355.66 2000 8624.29 2001 8732.08 2002 9113.51 2003 11246.71 2004 11733.42 2005 10014.22 2006 12376.66 2007 13123.90 2008 14154.42 2009 12998.05 2010 13690.22 2011 14599.38 2012 14701.23 2013 15511.31 2014 16373.43 2015 16567.67 2016 17481.92 2017 18381.71 2018 19342.33 2019 20222.09 2020 20990.92 2021 21783.12 2022 22608.27 2023 23455.90 2024 24342.13