65% (1973)

52% (1978)

50% (1976)

60% (1965)

62% (1971)

0% (1999)

58% (1982)

60% (1987)

0% (1955)

50% (1984)

0% (1985)

55% (1972)

50% (1961)

64% (1972)

52% (1968)

50% (1954)

0% (1957)

50% (1958)

58% (1963)

0% (1958)