71% (2004)

62% (2003)

68% (2003)

66% (2004)

72% (2001)

73% (2005)

64% (2005)

65% (2003)

68% (2005)

63% (2002)

56% (2005)

65% (2004)

44% (2002)

71% (2005)

50% (2005)

65% (2002)

59% (2002)

58% (2003)

51% (2001)

52% (2004)