64% (2018)

73% (2015)

65% (2017)

56% (2016)

73% (2010)

59% (2013)

64% (2016)

63% (2015)

63% (2011)

57% (2016)

70% (2011)

64% (2016)

60% (2011)

73% (2010)

71% (2013)

52% (2017)

58% (2012)

61% (2017)

64% (2018)

63% (2010)