80% (1965)

55% (1954)

67% (1971)

58% (1966)

43% (1973)

59% (1958)

50% (1959)

57% (1970)

58% (1952)

50% (1971)

50% (1958)

40% (1972)

57% (1967)

50% (1959)

35% (1956)

51% (1963)