Year	Per 1000 Births
1925	198
1926	172
1927	190
1928	155
1950	81
1951	84
1952	75
1953	68
1954	68
1955	60
1956	47
1957	45
1958	41
1959	41
1960	35
1961	32
1962	32
1963	31
1964	29
1965	27
1966	26
1967	26
1968	26
1969	26
1970	25
1971	23
1972	25
1973	26
1974	28
1975	25
1980	27
1983	26
1984	26
1985	26
1986	25
1987	25
1988	25
1989	27
1990	27