0% (1980)

30% (1984)

0% (1957)

50% (1964)

56% (1992)

40% (1984)

58% (1985)

75% (1986)

60% (1986)

50% (1983)

67% (1977)

0% (1971)

80% (1963)

47% (1981)

90% (1984)

70% (1986)

50% (1978)

75% (1987)

89% (1982)

47% (1982)