62% (1954)

62% (1984)

69% (1976)

44% (1974)

64% (1959)

64% (1969)

54% (1975)

62% (1961)

71% (1936)

60% (1927)

71% (1973)

65% (1941)

54% (1950)

58% (1944)

50% (1947)

46% (1958)

49% (1949)

54% (2003)

56% (1970)

49% (1977)