82% (2016)

69% (2016)

70% (2011)

69% (2012)

59% (2013)

65% (2012)

59% (2015)

49% (2016)

69% (2012)

50% (2010)

62% (2013)

60% (2017)

53% (2015)

63% (2014)

68% (2016)

61% (2013)

57% (2013)

63% (2014)

64% (2015)

48% (2009)