50% (1973)

71% (1962)

73% (1959)

31% (1971)

43% (1969)

62% (1936)

40% (1964)

45% (1968)

36% (1971)

33% (1951)

66% (2009)

49% (1961)

60% (1949)

50% (1961)

50% (1917)

42% (1963)

56% (1949)

50% (1961)

50% (1917)

50% (1950)