77% (1973)

57% (2010)

60% (2015)

60% (2003)

67% (2012)

62% (1980)

74% (1968)

59% (1988)

67% (2021)

73% (2024)

65% (2021)

58% (2015)

56% (2019)

73% (2000)

64% (2021)

40% (2003)

59% (2013)

64% (2005)

51% (2019)

54% (1985)