60% (1976)

0% (1959)

70% (1976)

55% (1963)

49% (1986)

45% (1966)

70% (1970)

83% (1989)

68% (1969)

20% (1980)

0% (1977)

52% (1974)

50% (1976)

50% (1968)

27% (1979)

70% (1969)

50% (1959)

66% (1974)

50% (1969)

60% (1969)