Year current US$ 1964 9999.99977648258 1967 9999.99977648258 1969 9999.99977648258 1970 9999.99977648258 1971 19999.9995529652 1972 9999.99977648258 1973 9999.99977648258 1974 19999.9995529652 1975 19999.9995529652 1976 9999.99977648258 1977 19999.9995529652 1978 119999.997317791 1979 159999.99642372102 1980 370000.00476837205 1981 2029999.97138977 1982 3819999.9332428 1983 2759999.99046326 1984 3210000.03814697 1985 12770000.4577637 1986 30260000.2288818 1987 22659999.8474121 1988 15369999.8855591 1989 17549999.237060502 1990 10199999.8092651 1991 1529999.97138977 1992 150000.005960464 1993 180000.00715255702 1995 19999.9995529652 1996 9999.99977648258 1997 400000.00596046395 1998 9999.99977648258 2006 239999.994635582 2007 3859999.89509583 2008 23270000.4577637 2009 22639999.3896484 2010 29069999.6948242 2011 51970001.220703095 2012 55490001.6784668 2013 58349998.4741211 2014 32580001.831054702 2015 26459999.084472697 2016 21549999.237060502 2017 21489999.7711182 2018 10170000.076293899 2019 14380000.1144409 2020 19549999.237060502 2021 21739999.7711182 2022 30450000.762939498