69% (2022)

74% (2006)

70% (1981)

64% (1985)

70% (1978)

72% (2020)

79% (1979)

57% (2023)

78% (2017)

60% (2003)

65% (1994)

70% (1970)

60% (1965)

70% (1985)

75% (1970)

72% (2014)

70% (2004)

66% (2016)

73% (2018)

80% (1977)