66% (1964)

20% (1981)

0% (1979)

0% (1967)

25% (1960)

0% (1962)

70% (1990)

0% (1989)

50% (1960)

0% (1974)

50% (1986)

0% (1957)

100% (1973)

40% (1982)

70% (1959)

35% (1968)

35% (1974)

60% (1981)

60% (1974)

40% (1977)