31% (1971)

73% (1959)

74% (1962)

56% (1948)

43% (1969)

45% (1968)

50% (1973)

62% (1936)

33% (1951)

49% (1961)

50% (1917)

66% (2009)

56% (1949)

36% (1971)

42% (1963)

50% (1917)

50% (1950)

60% (1949)

50% (1961)

50% (1949)