0% (1980)

0% (1986)

50% (1982)

58% (1987)

67% (1991)

80% (1967)

0% (1962)

0% (1960)

63% (1970)

85% (1959)

50% (1980)

0% (1985)

0% (1959)

60% (1969)

0% (1961)

60% (1958)

40% (1961)

38% (1960)

68% (1975)

50% (1981)