Year Per 100,000 People 1961 15.3695 1962 20.9837 1963 10.5977 1964 16.5331 1965 11.9601 1969 12.6481 1970 16.4657 1971 17.7668 1972 21.6381 1973 28.5835 1974 33.9906 1975 29.6311 1976 25.5931 1977 31.4653 1979 28.001 1980 21.2485 1981 27.3661 1982 28.3972 1983 20.8489 1984 26.864 1985 32.7417 1986 33.8242 1987 27.6029 1988 28.6204 1989 20.2449 1990 24.3495 1991 33.3251 1992 32.3886