Year Per 100,000 People 1963 1.2405 1964 1.3767 1965 1.9235 1966 1.4554 1967 1.6215 1968 1.2272 1969 1.2766 1970 1.047 1971 1.1738 1972 1.1091 1973 2.9161 1974 2.5708 1975 1.8905 1976 1.9038 1978 2.1187 1981 0.8847