Year Purchasing power parity; 2017 international dollar (Units) 1980 15469.406 1981 15743.275 1982 16545.413 1983 17198.980 1984 18466.833 1985 19118.045 1986 19571.465 1987 20741.305 1988 22233.302 1989 23684.243 1990 24914.808 1991 24445.108 1992 26046.882 1993 25592.341 1994 26542.102 1995 28886.851 1996 28760.099 1997 29077.557 1998 30447.835 1999 31611.646 2000 33127.264 2001 34088.007 2002 34956.725 2003 35462.626 2004 36772.005 2005 38022.076 2006 39228.678 2007 40471.656 2008 40953.040 2009 39090.260 2010 38898.445 2011 38101.837 2012 35837.933 2013 33327.883 2014 33036.801 2015 34609.107 2016 36827.266 2017 38643.589 2018 40380.519 2019 42048.930 2020 40047.867 2021 43623.489 2022 45389.888 2023 45698.684 2024 46902.832 2025 47824.904 2026 48849.680 2027 49970.731 2028 51129.820 2029 52287.136