60% (1969)

46% (1992)

57% (1958)

40% (1976)

75% (1981)

0% (1969)

60% (1981)

70% (1978)

69% (1987)

50% (1959)

50% (1977)

0% (1965)

0% (1947)

35% (1975)

52% (1970)

80% (1974)

0% (1988)

74% (1981)

62% (1989)

65% (1991)