Year Per 100,000 People 1952 10.0503 1953 10.1904 1954 11.2464 1955 11.2322 1956 10.6276 1957 10.5678 1958 10.5456 1959 10.6006 1960 10.6597 1961 10.9821 1962 10.411 1963 10.8818 1964 11.3672 1965 11.3301 1966 11.4998 1967 11.4333 1968 11.6929 1969 12.1857 1970 12.5911 1971 12.2419 1972 11.522 1973 11.9863 1974 12.046 1975 11.8442 1976 12.12 1977 12.7458 1978 12.158 1979 11.3913 1980 10.8975 1981 11.0991 1982 10.5262 1983 10.8532 1984 9.7692 1985 9.467 1986 8.7964 1987 8.5626 1988 7.7701 1989 7.1352 1990 6.7963