71% (2003)

75% (2001)

68% (2003)

76% (2001)

57% (2003)

65% (2000)

78% (2003)

60% (2002)

59% (2002)

61% (2002)

63% (2001)

54% (2001)

58% (2001)

66% (1999)

62% (2001)

59% (2002)

55% (2001)

58% (2000)

44% (2002)

56% (2001)