63% (2016)

67% (2015)

69% (2014)

60% (2015)

65% (2016)

61% (2015)

61% (2016)

63% (2016)

60% (2016)

59% (2016)

64% (2015)

61% (2017)

61% (2015)

60% (2016)

56% (2016)

63% (2017)

61% (2016)

63% (2017)

59% (2014)

61% (2017)