62% (2013)

74% (2016)

65% (2019)

57% (2012)

50% (2014)

62% (2010)

55% (2010)

69% (2015)

54% (2009)

66% (2012)

69% (2013)

55% (2009)

53% (2014)

59% (2008)

58% (2009)

55% (2009)

40% (2009)

62% (2013)