Year current US$ 1960 409999.99642372096 1961 540000.021457672 1962 430000.00715255697 1963 389999.98569488496 1964 330000.013113022 1966 1299999.95231628 1967 1529999.97138977 1968 1129999.99523163 1969 850000.023841858 1970 479999.989271164 1971 490000.009536743 1972 150000.005960464 1973 79999.9982118607 1974 39999.9991059303 1975 19999.9995529652 1977 9999.99977648258 1978 9999.99977648258 1979 9999.99977648258 1989 -9999.99977648258 1990 9999.99977648258 1994 9999.99977648258 1996 39999.9991059303 2000 50000.0007450581 2002 119999.997317791 2003 109999.999403954