61% (1987)

67% (1987)

63% (1994)

57% (1988)

0% (1990)

72% (1987)

65% (1984)

68% (1990)

64% (1985)

67% (1992)

69% (1987)

53% (1988)

45% (1989)

62% (1996)

65% (1987)

60% (1985)

67% (1990)

49% (1987)

46% (1994)

60% (1989)