Year Per 100,000 People 1952 18.7929 1953 29.1309 1954 30.2997 1955 34.1473 1956 34.9958 1957 35.0733 1958 31.6314 1959 36.312 1960 36.3305 1961 35.7301 1962 33.9552 1963 34.9118 1964 38.7808 1965 35.6237 1966 38.7476 1967 41.3019 1968 39.6704 1969 41.9611 1970 47.9693 1971 49.3893 1972 48.7833 1973 40.3835 1974 36.176 1975 39.2807 1976 38.5358 1977 40.0526 1978 37.7529 1979 39.3202 1980 38.4984 1981 35.0575 1982 33.6838 1983 34.7085 1984 29.7082 1985 24.754 1986 25.2506 1987 23.8455 1988 24.5416 1989 23.3858 1990 22.9929