75% (2018)

78% (2016)

59% (2017)

68% (2015)

66% (2013)

71% (2007)

73% (2015)

73% (2011)

57% (2011)

68% (1992)

50% (2014)

42% (2016)

76% (2011)

62% (2011)

66% (2021)

73% (2013)

63% (2009)

62% (2010)

63% (2009)

70% (2013)