81% (1963)

73% (1953)

77% (1952)

70% (1960)

63% (1949)

63% (1955)

67% (1961)

71% (1957)

74% (1959)

55% (1958)

70% (1956)

64% (1954)

40% (1955)

62% (1961)

62% (1955)

53% (1954)

0% (1962)

71% (1943)

61% (1957)

30% (1951)