61% (1956)

57% (2007)

55% (1955)

49% (1973)

63% (1950)

55% (1973)

73% (1967)

53% (1966)

55% (1955)

79% (1952)

54% (1960)

56% (1962)

45% (1970)

50% (1959)

55% (1954)

60% (1950)

51% (1956)

50% (1962)

56% (1940)

48% (1989)