50% (1988)

50% (1958)

50% (1984)

54% (1965)

0% (1963)

63% (1957)

0% (1990)

60% (1959)

0% (1967)

0% (1972)

68% (1988)

70% (1968)

0% (1969)

0% (1965)

56% (1941)

65% (1973)

59% (1974)

50% (1969)

57% (1971)

46% (1990)