62% (1968)

52% (1970)

42% (1997)

70% (1961)

27% (1961)

56% (1960)

75% (1959)

50% (1979)

37% (1959)

48% (1959)

41% (1964)

80% (1976)

60% (1962)

0% (1961)

57% (1963)

40% (1959)

0% (1939)

44% (1958)

0% (1961)

0% (1959)