69% (2014)

66% (2015)

64% (2015)

61% (2015)

63% (2017)

62% (2016)

64% (2016)

65% (2016)

62% (2015)

59% (2016)

57% (2016)

64% (2016)

61% (2017)

63% (2017)

66% (2016)

60% (2015)

61% (2015)

61% (2017)

60% (2016)

65% (2017)