Year Per 100,000 People 1952 7.366 1953 8.8811 1954 9.8935 1955 9.4247 1956 10.2166 1957 9.9871 1958 9.3244 1959 10.2257 1960 11.1639 1961 11.5086 1962 11.102 1963 10.9632 1964 12.8519 1965 12.2331 1966 13.3887 1967 13.8015 1968 13.6076 1969 13.6422 1970 15.4274 1971 14.491 1972 15.0906 1973 12.6644 1974 10.8839 1975 10.5458 1976 10.7301 1977 10.6494 1978 10.0667 1979 15.7178 1980 15.438 1981 13.5084 1982 12.4827 1983 11.5435 1984 9.8409 1985 8.6008 1986 7.7532 1987 6.9426 1988 6.2314 1989 5.8769 1990 5.3248