Year Purchasing power parity; 2017 international dollar (Units) 1980 30420.760 1981 30397.040 1982 30178.997 1983 30755.446 1984 31752.844 1985 32529.232 1986 33292.663 1987 33775.757 1988 34825.392 1989 35830.088 1990 37168.149 1991 38530.680 1992 39013.463 1993 38419.256 1994 39243.628 1995 39769.395 1996 40015.882 1997 40708.374 1998 41563.467 1999 42360.045 2000 43571.703 2001 44273.705 2002 44151.731 2003 43857.235 2004 44427.028 2005 44815.222 2006 46617.825 2007 48115.246 2008 48714.293 2009 46100.069 2010 48148.084 2011 50038.553 2012 50157.852 2013 50237.323 2014 51137.489 2015 51450.647 2016 52175.097 2017 53373.918 2018 53737.434 2019 54190.139 2020 52072.463 2021 53699.871 2022 54276.022 2023 53637.592 2024 53700.277 2025 54417.584 2026 55235.418 2027 55888.244 2028 56397.068 2029 56820.495