Year Per 100,000 People 1961 29.6413 1962 44.0502 1963 35.8209 1964 42.3847 1965 51.3533 1968 54.4426 1969 43.6547 1973 43.8013 1974 37.4196 1975 33.5165 1976 28.8366 1977 53.2955 1978 20.4849