72% (1970)

58% (1966)

52% (1963)

0% (1966)

40% (1966)

57% (1964)

56% (1964)

56% (1965)

54% (1965)

61% (1962)

20% (1965)

62% (1959)

0% (1961)

52% (1962)

57% (1963)

100% (1961)

52% (1964)

52% (1966)

56% (1964)