Year Purchasing power parity; 2017 international dollar (Units) 1990 21602.609 1991 20463.702 1992 17479.503 1993 15967.279 1994 13944.225 1995 13375.395 1996 12915.186 1997 13114.569 1998 12437.530 1999 13267.973 2000 14663.551 2001 15474.255 2002 16283.426 2003 17560.590 2004 18891.382 2005 20176.533 2006 21895.544 2007 23808.458 2008 25068.768 2009 23101.197 2010 24132.785 2011 25048.451 2012 26012.579 2013 26412.954 2014 26136.796 2015 25566.054 2016 25568.598 2017 26006.051 2018 26737.866 2019 27337.884 2020 26667.846 2021 28380.227 2022 27876.858 2023 28952.704 2024 30579.420 2025 31202.544 2026 31671.194 2027 32154.561 2028 32652.471 2029 33164.494