0% (1992)

0% (1962)

51% (1971)

65% (1990)

60% (1972)

75% (1952)

0% (1989)

50% (1978)

0% (1999)

50% (1959)

63% (1968)

44% (1988)

50% (1985)

50% (1968)

50% (1977)

64% (1964)

0% (1967)

44% (1954)

59% (1973)

68% (1953)