42% (1956)

85% (1971)

37% (1963)

46% (1990)

0% (1987)

30% (1971)

60% (1987)

30% (1970)

47% (1938)

70% (1978)

33% (1990)

60% (1972)

65% (1983)

64% (1984)

70% (1979)

70% (1939)

48% (1963)

20% (1973)

57% (1925)

0% (1989)