58% (1952)

58% (1966)

67% (1965)

70% (1967)

50% (1962)

35% (1965)

50% (1962)

60% (1964)

45% (1952)

80% (1953)

25% (1970)

60% (1954)

80% (1966)

80% (1968)

100% (1958)

60% (1967)

60% (1965)

60% (1955)

40% (1965)

40% (1967)