64% (1956)

57% (2007)

79% (1969)

49% (1973)

73% (1967)

59% (1955)

81% (1952)

54% (1960)

56% (1940)

48% (1989)

67% (1950)

53% (1966)

40% (1990)

50% (1962)

56% (1962)

57% (1950)

50% (1957)

55% (1973)

55% (1954)

50% (1948)