50% (1986)

40% (1986)

35% (1966)

0% (1975)

50% (1960)

47% (1987)

66% (1988)

82% (1960)

0% (1973)

40% (1975)

50% (1990)

0% (1975)

68% (1941)

49% (1952)

0% (1975)

65% (1987)

62% (1951)

50% (1982)

10% (1984)

0% (1973)