70% (1987)

83% (1985)

73% (1985)

58% (1984)

71% (1983)

68% (1990)

67% (1997)

47% (1987)

64% (2004)

73% (1971)

49% (1984)

47% (1985)

65% (1989)

65% (1989)

66% (1987)

78% (1997)

0% (1985)

42% (1986)

72% (1998)

65% (1994)