Year Per 100,000 People 1960 5.5252 1961 5.4115 1964 2.8331 1966 6.2858 1967 6.0218 1968 3.1587 1969 6.3495 1970 6.1329 1971 2.8331 1972 12.5781 1973 9.2209 1974 3.2106 1975 3.1587 1976 11.1266 1977 8.5801 1978 11.7387 1979 3.2506 1980 8.8469 1981 5.485 1982 5.2027 1983 8.2749 1984 5.8248 1985 7.3966 1986 6.3711 1987 12.8939 1988 9.6463 1989 6.3708 1990 5.6858 1991 12.3473 1992 3.3116 1993 16.1939 1994 9.8008 1995 9.3849