76% (1997)

77% (1997)

70% (2002)

76% (2013)

64% (2008)

84% (1957)

60% (1991)

68% (1975)

80% (2005)

63% (2003)

82% (2014)

69% (2007)

72% (2011)

75% (2010)

75% (1947)

60% (2012)

72% (2018)

85% (2014)

80% (1987)

75% (2003)