Year current US$ 1965 9999.99977648258 1966 29999.999329447703 1967 29999.999329447703 1968 9999.99977648258 1969 9999.99977648258 1970 699999.988079071 1971 2140000.10490417 1972 1139999.98569489 1973 2220000.02861023 1974 540000.021457672 1975 1470000.02861023 1976 379999.99523162795 1977 340000.00357627904 1978 4190000.05722046 1979 6030000.20980835 1980 2220000.02861023 1981 109999.999403954 1988 2190000.05722046 1989 980000.019073486 1990 2730000.01907349 1991 5309999.94277954 1992 4670000.07629395 1993 7630000.11444092 1994 7170000.07629395 1995 7139999.8664856 1996 3880000.1144409203 1997 13369999.8855591 1998 4800000.19073486 1999 8670000.07629395 2000 6659999.84741211 2001 14229999.5422363 2002 35810001.373291 2003 73129997.253418 2004 56240001.6784668 2005 89470001.2207031 2006 140270004.272461 2007 345390014.64843804 2008 207860000.61035198 2009 232580001.831055 2010 267119995.117188 2011 225149993.89648402 2012 101400001.52587901 2013 122120002.746582 2014 84190002.44140631 2015 148080001.831055 2016 96330001.8310547 2017 68459999.0844727 2018 126599998.47412099 2019 117069999.69482401 2020 86010002.1362305 2021 113209999.084473 2022 160500000