62% (2003)

71% (2004)

73% (2001)

64% (2005)

68% (2003)

63% (2002)

66% (2004)

73% (2005)

66% (2003)

69% (2005)

56% (2005)

50% (2005)

65% (2002)

44% (2002)

59% (2002)

71% (2005)

74% (2001)

72% (2005)

65% (2004)

23% (2003)