0% (1961)

50% (1980)

85% (1976)

54% (1952)

0% (1968)

56% (1989)

59% (1976)

44% (1962)

73% (1983)

0% (1991)

53% (1983)

50% (1967)

40% (1962)

70% (1986)

65% (1954)

0% (1989)

60% (1940)

52% (1960)

54% (1979)

70% (1972)