63% (1962)

72% (1968)

60% (1972)

80% (1968)

80% (1972)

75% (1966)

70% (1974)

86% (1967)

72% (1965)

65% (1968)

0% (1966)

40% (1968)

0% (1958)

70% (1963)

80% (1956)

70% (1966)

90% (1957)

68% (1965)

60% (1965)

70% (1969)