67% (1992)

80% (2003)

0% (1988)

56% (1990)

59% (1995)

62% (1992)

53% (1995)

51% (1993)

52% (1989)

38% (1990)

54% (1995)

55% (1990)

68% (1993)

0% (1987)

61% (1989)

55% (1995)

63% (1989)

55% (1991)

73% (1988)

52% (1989)