66% (1963)

62% (1962)

77% (1955)

50% (1959)

69% (1960)

42% (1962)

60% (1966)

77% (1957)

60% (1962)

47% (1966)

71% (1958)

55% (1957)

50% (1955)

43% (1957)

62% (1958)

40% (1959)

62% (1954)

45% (1951)

66% (1967)

0% (1952)