75% (2018)

71% (2007)

76% (2011)

59% (2017)

73% (2013)

73% (2015)

62% (2011)

79% (2016)

68% (2015)

73% (2012)

57% (2011)

63% (2009)

62% (2013)

73% (2011)

68% (1992)

70% (2013)

51% (2010)

42% (2014)

62% (2012)

50% (2014)