73% (2009)

54% (2008)

60% (2009)

56% (2008)

67% (2011)

58% (2008)

62% (2009)

55% (2010)

64% (2008)

61% (2008)

52% (2010)

61% (2010)

75% (2008)

60% (2011)

72% (2008)

60% (2008)

67% (2008)

49% (2009)

61% (2008)

60% (2012)