Year Purchasing power parity; 2011 international dollar (Units) 1980 822.614 1981 822.592 1982 781.244 1983 758.105 1984 712.292 1985 757.584 1986 706.224 1987 710.811 1988 707.644 1989 679.01 1990 675.505 1991 646.234 1992 832.079 1993 888.921 1994 1003.10 1995 1224.45 1996 1801.22 1997 4297.29 1998 5155.07 1999 6258.78 2000 12651.40 2001 19440.11 2002 22324.69 2003 24514.31 2004 30632.37 2005 31724.89 2006 32300.73 2007 35570.72 2008 40015.81 2009 38738.15 2010 33723.37 2011 34363.15 2012 35632.04 2013 32736.09 2014 31542.51 2015 27547.84 2016 24170.96 2017 22193.69 2018 20186.59 2019 18726.02 2020 17264.50 2021 15857.65 2022 14515.87 2023 13639.27 2024 13439.43