64% (2018)

65% (2016)

72% (2013)

59% (2013)

63% (2014)

61% (2017)

73% (2015)

73% (2010)

57% (2016)

63% (2015)

61% (2013)

53% (2017)

49% (2012)

64% (2011)

55% (2016)

62% (2016)

73% (2010)

56% (2017)

64% (2016)

67% (2016)