0% (1970)

50% (1991)

50% (1970)

0% (1980)

30% (1980)

0% (1969)

50% (1956)

65% (1976)

60% (1970)

45% (1970)

63% (1979)

64% (1971)

62% (1974)

75% (1987)

0% (1965)

0% (1966)

0% (1965)

0% (1964)

65% (1968)

54% (1987)