0% (1972)

80% (1957)

0% (1963)

60% (1981)

70% (1964)

70% (1972)

80% (1961)

0% (1960)

0% (1959)

0% (1966)

0% (1962)

65% (1960)

90% (1966)

0% (1961)

0% (1950)