71% (2004)

68% (2003)

62% (2003)

73% (2005)

65% (2004)

72% (2001)

69% (2005)

71% (2005)

64% (2005)

65% (2004)

63% (2002)

56% (2005)

50% (2005)

44% (2002)

59% (2002)

65% (2002)

51% (2001)

58% (2003)

51% (2004)

23% (2003)