Year Per 100,000 People 1958 6.6752 1959 6.8386 1969 2.2059 1970 3.4218 1971 3.4139 1972 3.3937 1973 2.7944 1981 3.7979 1982 3.8485 1983 3.9638 1985 3.9312 1986 4.1044 1987 3.9349 1988 4.0352 1989 4.2423 1990 4.1204 1991 3.9714 1992 4.2041 1993 3.965 1994 3.5311 1995 3.5945