76% (1972)

60% (1950)

64% (1950)

53% (1962)

57% (1957)

59% (1961)

61% (1949)

80% (1951)

66% (1950)

63% (1959)

58% (1953)

67% (1961)

64% (1959)

53% (1960)

40% (1947)

61% (1945)

61% (1951)

59% (1973)

63% (1948)

50% (1973)