63% (2007)

59% (2006)

62% (2006)

61% (2005)

69% (2006)

74% (2005)

55% (2006)

58% (2005)

55% (2005)

70% (2006)

60% (2006)

62% (2006)

40% (2006)

41% (2006)

38% (2007)

50% (2006)

47% (2005)