Year Per 100,000 People 1950 5.3461 1951 4.2046 1952 4.3173 1953 4.6212 1954 5.4926 1955 5.3862 1956 4.7333 1957 4.1212 1958 5.6 1959 3.593 1960 3.0601 1961 2.6109 1962 3.0547 1963 2.5831 1964 2.9103 1965 3.0372 1966 4.6268 1967 2.6652 1968 2.5064 1977 9.1448 1980 3.2407 1981 3.1838 1982 4.4183 1983 9.1784 1984 6.1601 1985 8.5965 1986 9.2027