Year current US$ 1960 9999.99977648258 1961 310000.002384186 1962 1320000.05245209 1963 2009999.9904632599 1964 3180000.0667572 1965 3220000.02861023 1966 4000000 1967 5519999.98092651 1968 3960000.03814697 1969 3160000.08583069 1970 4809999.94277954 1971 3940000.05722046 1972 3930000.0667572 1973 5349999.90463257 1974 7510000.228881841 1975 13600000.3814697 1976 11840000.1525879 1977 6139999.8664856 1978 11649999.6185303 1979 14250000 1980 13579999.923706101 1981 9109999.65667725 1982 6750000 1983 7820000.17166138 1984 6530000.20980835 1985 5110000.1335144 1986 10529999.7329712 1987 11789999.961853001 1988 28290000.915527303 1989 36639999.3896484 1990 44400001.5258789 1991 17229999.5422363 1992 36650001.5258789 1993 39200000.762939505 1994 10430000.3051758 1995 16610000.610351602 1996 26000000 1997 31969999.3133545 1998 29680000.3051758 1999 25309999.4659424 2000 2809999.94277954 2001 43409999.8474121 2002 27850000.3814697 2003 51000000 2004 88680000.3051758 2005 37830001.8310547 2006 35119998.9318848 2007 81830001.8310547 2008 127620002.746582 2009 146639999.38964802 2010 122750000 2011 63130001.0681152 2012 79089996.3378906 2013 78949996.9482422 2014 72180000.3051758 2015 48270000.4577637 2016 47779998.779296905 2017 81370002.746582 2018 90569999.6948242 2019 45950000.762939505 2020 144210006.71386698 2021 55040000.9155273 2022 44650001.5258789