60% (1979)

79% (1964)

67% (1982)

27% (1980)

50% (1992)

42% (1994)

81% (1965)

47% (1976)

65% (1962)

63% (1980)

50% (1969)

53% (1994)

49% (1980)

60% (1983)

83% (1998)

55% (1994)

52% (1998)

46% (1983)

73% (1973)

39% (1983)