57% (1981)

70% (1963)

60% (1981)

0% (1960)

65% (1960)

80% (1973)

70% (1959)

0% (1966)

0% (1981)

33% (1961)

70% (1972)

0% (1963)

60% (1976)

0% (1963)

80% (1960)

70% (1962)

70% (1960)

80% (1966)

45% (1964)

0% (1965)