65% (2007)

69% (2018)

64% (2012)

52% (2004)

70% (1990)

68% (1986)

63% (2020)

49% (1985)

56% (2016)

55% (2000)

73% (2020)

66% (2018)

74% (1980)

62% (1998)

67% (2007)

74% (1968)

51% (2016)

62% (2015)

79% (2020)

64% (2021)