66% (2006)

68% (2005)

50% (2006)

19% (2007)

60% (2003)

63% (2004)

65% (2008)

27% (2004)

74% (2004)

64% (2005)

62% (2005)

80% (2007)

58% (2006)

41% (2004)

30% (2005)

52% (2004)