Year Per 100,000 People 1953 1.6674 1954 1.2701 1955 1.434 1956 1.3292 1957 1.3044 1958 1.0731 1959 1.0816 1960 1.1105 1961 1.1381 1962 1.1285 1963 1.1782 1964 1.2202 1965 1.2438 1966 1.1571 1967 1.182 1968 1.3264 1969 1.4443 1970 1.5328 1971 1.4254 1972 1.3196 1973 1.1798 1974 1.1142 1975 1.2939 1976 0.8659 1977 1.0076 1978 1.128 1979 1.0911 1980 1.1266 1981 1.0876 1982 1.1403 1983 1.3467 1984 1.1055 1985 1.2367 1986 1.1093 1987 1.2009 1988 1.0604 1989 1.1728 1990 1.8585 1991 2.0494