Year Per 100,000 People 1961 42.2516 1962 49.1638 1963 53.0595 1964 62.0259 1965 60.9783 1968 64.6436 1969 58.2658 1973 45.6652 1974 42.1948 1975 39.9126 1976 29.2737 1977 59.8992 1978 18.0749