64% (1953)

56% (1970)

58% (1966)

63% (1938)

63% (1947)

62% (1961)

54% (1962)

42% (2000)

42% (1944)

62% (1963)

69% (1976)

61% (1969)

50% (1959)

50% (1960)

55% (1998)

61% (1943)

60% (1989)

65% (1920)

60% (1930)

48% (1970)