69% (2009)

37% (2010)

50% (2011)

61% (2017)

68% (2009)

54% (2007)

58% (2010)

74% (2012)

59% (2014)

70% (2008)

59% (2013)

64% (2012)

70% (2013)

70% (2008)

56% (2012)

64% (2008)

57% (2015)

59% (2010)

34% (2009)

71% (2008)