64% (1971)

10% (1965)

18% (1972)

0% (1960)

0% (1983)

0% (1985)

0% (1959)

0% (1978)

82% (1982)

85% (1980)

78% (1987)

0% (1984)

0% (1958)

70% (1976)

70% (1971)

90% (1985)

50% (1986)

0% (1969)

0% (1962)

20% (1976)