Year constant 2021 US$ 1960 680000.007152557 1961 3509999.99046326 1962 3130000.1144409203 1963 1250000 1964 1529999.97138977 1966 3059999.94277954 1967 148309997.55859402 1974 10380000.1144409 1975 12550000.1907349 1976 14289999.961853001 1977 10189999.5803833 1978 4670000.07629395 1979 5510000.228881841 1980 11430000.3051758 1981 9670000.07629395 1982 10060000.4196167 1983 8829999.92370605 1984 5400000.09536743 1985 6110000.1335144 1986 3599999.90463257 1987 4269999.98092651 1988 3559999.94277954 1989 10600000.3814697 1990 8939999.5803833 1991 9210000.03814697 1992 7940000.05722046 1993 5349999.90463257 1994 17479999.5422363 1995 1980000.01907349 1996 1740000.0095367401 1997 2660000.08583069 1998 1549999.95231628 1999 3470000.02861023