Year Per 100,000 People 1958 31.9345 1959 36.1311 1969 11.1288 1970 21.2349 1971 18.8771 1972 18.3189 1973 16.1881 1981 25.3645 1982 26.0317 1983 28.1859 1985 28.0157 1986 26.1273 1987 26.5595 1988 26.6544 1989 27.3832 1990 26.7564 1991 25.9522 1992 23.7583 1993 23.4699 1994 23.0301 1995 20.3194