66% (2006)

69% (2005)

65% (2008)

50% (2006)

20% (2007)

74% (2004)

60% (2003)

27% (2004)

63% (2004)

58% (2006)

64% (2005)

62% (2005)

80% (2007)

30% (2005)

52% (2004)

41% (2004)