0% (1982)

57% (1975)

0% (1990)

50% (1956)

0% (1986)

60% (1965)

45% (1966)

53% (1973)

0% (1972)

58% (1988)

54% (1958)

0% (1987)

0% (1990)

0% (1969)

60% (1983)

70% (1975)

62% (1965)

0% (1991)

50% (1961)

50% (1988)