Year Purchasing power parity; 2011 international dollar (Units) 1991 9984.96 1992 8983.86 1993 7677.25 1994 5977.41 1995 5295.63 1996 4818.86 1997 4705.66 1998 4660.21 1999 4691.47 2000 5015.85 2001 5323.35 2002 5654.46 2003 6241.35 2004 7028.44 2005 7300.77 2006 7903.56 2007 8602.27 2008 8835.30 2009 7530.79 2010 7871.26 2011 8327.93 2012 8362.64 2013 8383.83 2014 8289.99 2015 7509.46 2016 7724.69 2017 7956.86 2018 8252.02 2019 8509.63 2020 8799.27 2021 9107.63 2022 9435.30 2023 9785.83 2024 10147.29