31% (1971)

50% (1973)

73% (1959)

71% (1962)

43% (1969)

56% (1949)

50% (1961)

62% (1936)

33% (1951)

45% (1968)

50% (1961)

50% (1961)

35% (1971)

42% (1963)

60% (1949)

50% (1949)

50% (1950)

50% (1961)

50% (1917)

56% (1948)