0% (1961)

65% (1957)

80% (1957)

50% (1973)

0% (1982)

58% (1990)

58% (1983)

0% (1971)

0% (1985)

35% (1980)

0% (1989)

56% (1979)

0% (1961)

59% (1965)

60% (1971)

70% (1977)

54% (1988)

48% (1963)

0% (1985)

0% (1975)