69% (2005)

67% (2006)

58% (2006)

65% (2004)

60% (2003)

74% (2004)

19% (2007)

52% (2006)

65% (2008)

30% (2005)

52% (2004)

64% (2005)

62% (2005)

80% (2007)

41% (2004)

27% (2004)