71% (2003)

68% (2003)

63% (2001)

64% (2002)

57% (2003)

75% (2001)

66% (1999)

59% (2002)

60% (2002)

58% (2002)

56% (2002)

76% (2001)

78% (2003)

65% (2000)

56% (2001)

57% (2000)

54% (2001)

60% (2001)

58% (2001)

63% (2001)