Year Purchasing power parity; 2017 international dollar (Units) 1980 3668.100 1981 3476.068 1982 3713.448 1983 3607.160 1984 3676.442 1985 3818.193 1986 4039.657 1987 3845.703 1988 4151.343 1989 4153.039 1990 4304.070 1991 4541.129 1992 4328.096 1993 4208.548 1994 4611.606 1995 4256.244 1996 4761.085 1997 4600.152 1998 4898.800 1999 4857.482 2000 4868.014 2001 5165.693 2002 5266.264 2003 5525.320 2004 5715.316 2005 5809.767 2006 6180.625 2007 6267.581 2008 6555.709 2009 6748.989 2010 6920.296 2011 7194.571 2012 7321.457 2013 7561.798 2014 7673.534 2015 7923.622 2016 7881.312 2017 8193.228 2018 8356.167 2019 8509.076 2020 7818.089 2021 8361.223 2022 8384.260 2023 8554.843 2024 8741.711 2025 8948.486 2026 9168.980 2027 9398.550 2028 9634.567 2029 9882.035