Year current US$ 1962 29999.999329447703 1963 50000.0007450581 1964 230000.004172325 1965 109999.999403954 1966 140000.000596046 1967 150000.005960464 1968 159999.99642372102 1969 289999.99165535 1970 230000.004172325 1971 340000.00357627904 1972 259999.990463257 1973 409999.99642372096 1974 389999.98569488496 1975 1990000.0095367401 1976 939999.997615814 1977 2960000.03814697 1978 7940000.05722046 1979 5550000.19073486 1980 2539999.96185303 1981 5329999.92370605 1982 5159999.84741211 1983 7369999.88555908 1984 12670000.076293899 1985 24040000.915527303 1986 29440000.5340576 1987 20819999.6948242 1988 63209999.0844727 1989 97940002.44140631 1990 71900001.5258789 1991 116059997.558594 1992 71290000.9155273 1993 83059997.55859381 1994 134750000 1995 122069999.69482401 1996 110010002.13623 1997 70190002.44140631 1998 149000000 1999 101750000 2000 102910003.662109 2001 34630001.0681152 2002 23549999.237060502 2003 29750000 2004 115419998.168945 2005 44220001.220703095 2006 43659999.8474121 2007 46479999.5422363 2008 54029998.779296905 2009 64800003.0517578 2010 70000000 2011 46459999.0844727 2012 115389999.38964799 2013 65790000.9155273 2014 41250000 2015 25219999.3133545 2016 33419998.168945298 2017 51200000.762939505 2018 70129997.253418 2019 48090000.1525879 2020 51319999.6948242 2021 31750000 2022 61970001.220703095