Year	Per 100,000 People
1955	18.5988
1956	24.9662
1957	17.9733
1958	16.1603
1959	25.0104
1960	24.0743
1963	23.2623
1964	20.3284
1965	28.0738
1966	28.4208
1967	27.9336
1968	27.3964
1969	26.0027
1970	20.3237
1971	27.2566
1972	29.1812
1973	28.1898
1974	29.3794
1975	25.7765
1976	21.8082
1977	27.0729
1978	21.7369
1980	25.0772
1981	22.4233
1982	30.6866
1983	26.6442
1984	24.7757
1985	23.8423
1986	27.2761
1987	21.7227
1988	20.6396
1989	27.1458
1990	22.4727