57% (1971)

58% (1970)

49% (1970)

62% (1974)

100% (1994)

57% (1972)

53% (1973)

35% (1966)

49% (1973)

47% (1972)

0% (1962)

52% (1972)

50% (1974)

55% (1965)

57% (1968)

47% (1966)

0% (1966)

54% (1959)

66% (1966)

65% (1963)