73% (2009)

54% (2008)

56% (2008)

64% (2008)

61% (2008)

55% (2010)

63% (2009)

53% (2010)

60% (2009)

67% (2008)

59% (2008)

72% (2008)

58% (2008)

60% (2011)

66% (2011)

61% (2010)

50% (2009)

75% (2008)

60% (2010)

60% (2012)