54% (2017)

59% (2011)

56% (2016)

57% (2017)

53% (2016)

54% (2017)

62% (2013)

45% (2017)

63% (2015)

48% (2012)

60% (2015)

68% (2016)

50% (2010)

49% (2012)

55% (2014)

28% (2014)

78% (2016)

33% (2013)

60% (2010)

47% (2012)