63% (2007)

59% (2006)

69% (2006)

63% (2006)

74% (2005)

46% (2005)

55% (2006)

61% (2005)

41% (2006)

69% (2007)

58% (2005)

63% (2006)

39% (2006)

50% (2006)

70% (2006)

55% (2005)

60% (2006)

38% (2007)