76% (1993)

73% (1995)

59% (1995)

58% (1994)

62% (1998)

45% (1993)

69% (1995)

61% (1995)

61% (1996)

60% (1992)

64% (1996)

61% (1994)

50% (1997)

39% (1998)

65% (2006)

0% (1996)