65% (1994)

76% (1993)

80% (1999)

82% (1993)

66% (1995)

58% (1995)

73% (1994)

57% (1994)

58% (1994)

72% (1996)

59% (2006)

65% (1997)

70% (1995)

72% (1995)

69% (1992)

61% (2007)

70% (1995)

44% (1993)

70% (1995)

60% (1996)