31% (1971)

43% (1969)

74% (1962)

62% (1936)

73% (1959)

40% (1964)

49% (1961)

37% (1971)

50% (1961)

56% (1948)

66% (2009)

50% (1973)

60% (1949)

50% (1917)

45% (1968)

50% (1961)

42% (1963)

50% (1961)

33% (1951)

50% (1950)