74% (1991)

73% (2011)

63% (1962)

56% (2013)

58% (1976)

73% (2007)

80% (1972)

78% (2015)

60% (2011)

69% (2009)

72% (1983)

53% (2010)

76% (2001)

70% (2019)

71% (1998)

67% (2018)

70% (2017)

72% (2016)

80% (1991)

79% (2007)