Year constant 2010 US$ 1970 344.621573994134 1971 341.4723577554 1972 338.139460584698 1973 344.278125243323 1974 321.938720679037 1975 329.867553504378 1976 345.506895298355 1977 363.741630217258 1978 371.952724418794 1979 352.746121289747 1980 375.752341604635 1981 379.889638200272 1982 375.141307076068 1983 395.860696575545 1984 399.085242891337 1985 406.352189848721 1986 415.989256142314 1987 427.657005267908 1988 451.055117874046 1989 468.670887765459 1990 486.420863501979 1991 483.976259806733 1992 498.892864514724 1993 513.395278624773 1994 536.802154415655 1995 562.154319216904 1996 590.600869873394 1997 606.721553855505 1998 643.652625231844 1999 671.771539278939 2000 678.205500221665 2001 700.063605765663 2002 719.633845168211 2003 762.451165170829 2004 815.638596122911 2005 870.337033994608 2006 922.341747200209 2007 983.614846235488 2008 986.842836237303 2009 1079.26410240087 2010 1172.80456673438 2011 1210.68239320835 2012 1269.11383239822 2013 1325.98509173732 2014 1402.52537588808 2015 1509.22917410016 2016 1605.8867448775 2017 1670.34068051669