62% (2003)

62% (2001)

60% (2004)

59% (2006)

73% (2001)

71% (2004)

50% (2006)

60% (2003)

66% (2002)

65% (2004)

65% (2003)

60% (2001)

64% (2001)

66% (1998)

74% (2003)

62% (2006)

54% (2008)

63% (2002)

59% (2001)

66% (2002)