74% (2016)

59% (2010)

74% (2012)

64% (2005)

62% (2014)

53% (2010)

59% (2013)

67% (2008)

46% (2009)

64% (2014)

43% (2012)

45% (2013)

58% (2014)

59% (2014)

57% (2012)

70% (2009)

73% (2006)

57% (2011)

70% (2007)

55% (2013)