76% (2008)

64% (2010)

57% (2016)

74% (2010)

64% (2011)

69% (2009)

61% (2014)

67% (2009)

62% (2012)

67% (2008)

68% (2013)

55% (2011)

64% (2008)

63% (2014)

75% (2014)

64% (2009)

50% (2010)

68% (2008)

65% (2009)

57% (2011)