57% (1971)

58% (1970)

49% (1970)

53% (1973)

57% (1972)

49% (1973)

62% (1974)

60% (1964)

47% (1972)

35% (1966)

54% (1959)

66% (1966)

47% (1966)

100% (1994)

57% (1968)

0% (1962)

52% (1972)

65% (1963)

44% (1971)

35% (1971)