73% (2009)

64% (2008)

54% (2008)

55% (2010)

61% (2008)

57% (2008)

66% (2011)

60% (2011)

53% (2010)

58% (2008)

72% (2008)

66% (2008)

62% (2009)

50% (2009)

61% (2010)

75% (2008)

60% (2012)

60% (2009)

59% (2008)

60% (2010)