50% (1964)

0% (1935)

40% (1977)

80% (1988)

72% (1959)

70% (1987)

70% (1968)

83% (1991)

60% (1951)

53% (1980)

90% (1962)

0% (1975)

65% (1990)

0% (1985)

60% (1964)

50% (1952)

0% (1988)

50% (1949)

0% (1985)

74% (1968)