68% (1965)

55% (1969)

50% (1959)

80% (1958)

50% (1967)

46% (1975)

65% (1936)

50% (1929)

80% (1987)

65% (1930)

33% (1967)

77% (1973)

52% (1970)

49% (1971)

20% (1978)

0% (1964)

80% (1961)

70% (1973)

55% (1986)

0% (1991)