50% (1957)

65% (1965)

60% (1967)

0% (1954)

43% (1961)

52% (1961)

62% (1956)

46% (1964)

55% (1957)

52% (1966)

80% (1956)

50% (1963)

63% (1971)

66% (1958)

0% (1955)

57% (1954)

42% (1963)

70% (1954)

0% (1966)

40% (1975)