82% (1993)

76% (1993)

80% (1999)

58% (1995)

72% (1996)

70% (1995)

65% (1994)

62% (1998)

60% (1997)

57% (1994)

72% (1995)

70% (1995)

45% (1993)

58% (1992)

63% (1996)

61% (2007)

59% (2006)

54% (1996)

60% (1993)

65% (1997)