Year Per 100,000 People 1964 14.4498 1968 17.5389 1969 16.5271 1970 15.1214 1971 15.8225 1972 17.2413 1973 19.0138 1974 21.7409 1975 21.9291 1976 21.6839 1977 23.8521 1992 18.501 1993 16.5739 1994 15.9064 1995 17.1935 1996 14.0805