63% (2007)

62% (2006)

58% (2006)

55% (2006)

68% (2006)

73% (2005)

61% (2005)

70% (2006)

58% (2005)

55% (2005)

68% (2007)

62% (2006)

47% (2005)

59% (2006)

41% (2006)

38% (2007)

50% (2006)

40% (2006)