44% (1960)

61% (1964)

60% (1971)

58% (1959)

60% (1939)

53% (1959)

58% (1955)

56% (1958)

70% (1939)

50% (1953)

57% (1951)

50% (1943)

64% (1969)

50% (1950)

63% (1941)

50% (1957)

65% (1944)

66% (1943)

56% (1945)

70% (1944)