Year current US$ 1960 125.43430375734283 1961 130.59583245964384 1962 139.20436990960286 1963 145.4701546250441 1964 143.23433576367353 1965 149.41407686212204 1966 154.87231647707782 1967 154.7958208980428 1968 166.47276572393554 1969 179.73648765399597 1970 214.47879566699532 1971 213.4524652930436 1972 242.93241635490335 1973 292.73201103620784 1974 439.83557278813595 1975 472.27242722346244 1976 557.1940497997185 1977 593.9121321960781 1978 629.4366336140139 1979 790.5919865119638 1980 994.3751754706872 1981 1304.9395013847975 1982 1212.9953212123316 1983 1026.5120025833794 1984 909.0513837904549 1985 905.5258648593863 1986 811.2975293573766 1987 798.9903499431656 1988 845.5855623368244 1989 812.4747856111338 1990 1139.2557812321052 1991 782.5166087854393 1992 681.6198842358058 1993 675.427859746938 1994 660.8496554547695 1995 786.9428241391664 1996 831.3852230380345 1997 911.187798124227 1998 914.9405390330377 1999 667.7585214072104 2000 763.8269307168487 2001 731.0106333038078 2002 696.1910100966943 2003 715.0480541214159 2004 885.5309296876139 2005 1093.6109605683844 2006 1337.515577635894 2007 1601.4438331745914 2008 1998.9497985501187 2009 1767.1409267572299 2010 2046.887007240277 2011 2086.1562182940866 2012 2277.6916404092844 2013 2311.3458533990015 2014 2396.435887045609 2015 1845.312304288418 2016 1663.0851708528694 2017 1690.9440416088069 2018 1852.2663100412838 2019 1923.1706891717834 2020 1725.7217597946003 2021 1792.9206641662784 2022 1913.3742283108027 2023 1828.7083594192286