76% (1993)

64% (1984)

35% (2007)

66% (2019)

69% (2003)

66% (2010)

56% (2007)

73% (2016)

78% (1987)

59% (1951)

64% (1995)

68% (2019)

67% (2002)

35% (2019)

68% (2017)

55% (2014)

65% (2009)

67% (2019)

66% (2009)

70% (2002)