Year current US$ 1960 9999.99977648258 1961 29999.999329447703 1962 9999.99977648258 1963 3430000.0667572 1964 4449999.80926514 1965 1509999.9904632599 1966 4159999.8474121103 1967 2039999.96185303 1968 3599999.90463257 1969 2069999.9332428002 1970 4920000.07629395 1971 5670000.07629395 1972 4969999.79019165 1973 9010000.22888184 1974 15399999.6185303 1975 20020000.4577637 1976 13369999.8855591 1977 17620000.8392334 1978 40049999.237060495 1979 68290000.9155273 1980 34130001.0681152 1981 41029998.779296905 1982 29620000.8392334 1983 43409999.8474121 1984 37569999.6948242 1985 34529998.779296905 1986 42950000.762939505 1987 52360000.6103516 1988 55900001.5258789 1989 56130001.0681152 1990 143100006.10351598 1991 54490001.6784668 1992 68000000 1993 55139999.3896484 1994 46650001.5258789 1995 52259998.3215332 1996 53520000.4577637 1997 43680000.3051758 1998 39009998.3215332 1999 37200000.762939505 2000 38389999.3896484 2001 32459999.084472697 2002 27120000.8392334 2003 35439998.626709 2004 41689998.626709 2005 49549999.237060495 2006 45409999.8474121 2007 62470001.220703095 2008 85290000.9155273 2009 85739997.8637695 2010 79819999.6948242 2011 156559997.55859402 2012 157009994.506836 2013 98510002.1362305 2014 105699996.94824201 2015 46819999.6948242 2016 29000000 2017 75879997.253418 2018 82669998.1689453 2019 61869998.9318848 2020 73300003.0517578 2021 88970001.2207031 2022 74949996.9482422