50% (1992)

40% (1983)

50% (1962)

50% (1976)

50% (1963)

58% (1966)

50% (1983)

50% (1967)

50% (1974)

50% (1971)

50% (1965)

44% (1965)

53% (1974)

50% (1964)

0% (1961)

37% (1974)

50% (1958)

52% (1961)

0% (1962)

0% (1951)