61% (1950)

61% (1969)

61% (1927)

58% (1999)

56% (1954)

65% (1949)

58% (1957)

65% (1920)

70% (1973)

65% (1920)

60% (1948)

54% (1975)

53% (1930)

51% (1957)

58% (1959)

60% (1959)

59% (1941)

27% (1987)

50% (1945)

29% (1934)