73% (2009)

57% (2008)

64% (2008)

62% (2008)

55% (2008)

66% (2011)

55% (2010)

53% (2010)

72% (2008)

61% (2010)

62% (2009)

60% (2011)

58% (2008)

67% (2008)

75% (2008)

59% (2008)

60% (2009)

50% (2009)

60% (2012)

61% (2008)