Year current US$ 1965 0 1966 0 1967 0 1968 9999.99977648258 1969 9999.99977648258 1970 19999.9995529652 1971 79999.9982118607 1972 100000.00149011599 1973 129999.998956919 1974 100000.003352761 1975 1739999.9462068102 1976 620000.019669533 1977 259999.99418854702 1978 3120000.08672476 1979 3590000.09484589 1980 6539999.95626509 1981 12020000.057295 1982 3349999.9884516 1983 16510000.2959371 1984 8720000.07145107 1985 1699999.98994172 1986 7630000.1423806 1987 9299999.55184758 1988 2689999.9361485196 1989 11440000.1000613 1990 22410000.955686003 1991 9609999.89695847 1992 5209999.95060265 1993 5989999.7655302305 1994 8900000.08232892 1995 7040000.00655651 1996 10570000.0375509 1997 4489999.97973442 1998 15199999.5708466 1999 6119999.85389411 2000 12290000.395849299 2001 8579999.99821186 2002 7229999.99299645 2003 50179998.7256527 2004 44289999.5725602 2005 41619999.8836964 2006 301829986.125231 2007 332579995.540902 2008 312849992.62914103 2009 86580000.5029887 2010 99569999.5197356 2011 138570000.68575102 2012 120339998.64384499 2013 111439997.94498101 2014 107100000.927225 2015 81000000.7934868 2016 68030001.6850233 2017 100560002.61940101 2018 115260001.72458601 2019 130760000.642389 2020 69650000.7510185 2021 78220000.4383922 2022 61799998.96511443