56% (1993)

47% (1993)

55% (1993)

56% (2001)

0% (1991)

59% (1993)

55% (1994)

74% (1999)

65% (1991)

48% (1997)

71% (1998)

74% (1995)

64% (1986)

70% (1996)

60% (1991)

45% (1994)

53% (1986)

70% (1989)

78% (2000)

10% (1993)