Year Purchasing power parity; 2017 international dollar (Units) 1980 17340.335 1981 18743.000 1982 20898.598 1983 22500.557 1984 23920.424 1985 27394.497 1986 26233.110 1987 23704.306 1988 24947.624 1989 24264.585 1990 29040.087 1991 29713.853 1992 31116.530 1993 31925.156 1994 32132.402 1995 32760.797 1996 32895.829 1997 34184.458 1998 34435.920 1999 33919.631 2000 35395.498 2001 36404.370 2002 35526.594 2003 34173.705 2004 34254.983 2005 34563.350 2006 35469.834 2007 36468.163 2008 38889.676 2009 39822.228 2010 39237.206 2011 36734.052 2012 36375.707 2013 35967.352 2014 35181.382 2015 35464.463 2016 35102.334 2017 34082.445 2018 34208.006 2019 33702.768 2020 33829.006 2021 34545.411 2022 33066.480 2023 32461.125 2024 31830.218 2025 31795.676 2026 31902.511 2027 31913.502 2028 31886.808 2029 31882.079