66% (2006)

68% (2005)

63% (2004)

65% (2008)

73% (2004)

62% (2005)

59% (2003)

50% (2006)

19% (2007)

52% (2004)

41% (2004)

80% (2007)

62% (2005)

58% (2006)

27% (2004)

30% (2005)