65% (2017)

73% (2015)

64% (2018)

67% (2016)

73% (2010)

64% (2011)

59% (2013)

63% (2016)

64% (2016)

73% (2010)

63% (2015)

64% (2018)

53% (2017)

63% (2010)

61% (2017)

61% (2011)

63% (2014)

57% (2016)

70% (2011)

55% (2017)