Year Per 100,000 People 1958 4.1318 1959 6.1304 1960 5.732 1961 3.9334 1962 3.9641 1963 2.9645 1964 4.4669 1969 2.2815 1970 1.6089 1972 2.444 1973 2.8133 1974 3.904 1982 5.3477 1983 6.8108 1984 6.2647 1992 5.1294 1993 5.3587