62% (2003)

60% (2003)

50% (2006)

61% (2001)

60% (2004)

59% (2006)

66% (2003)

47% (2002)

65% (2002)

74% (2003)

66% (1998)

62% (2002)

72% (2001)

62% (2006)

65% (2004)

70% (2004)

58% (2004)

65% (2002)

64% (2001)

60% (2001)