71% (1970)

82% (2015)

76% (2024)

49% (2005)

77% (2016)

75% (1974)

75% (2007)

62% (2000)

75% (2013)

67% (1967)

77% (2004)

78% (2023)

79% (1996)

60% (2004)

74% (2014)

85% (2022)

75% (1985)

81% (1997)

82% (2017)

78% (2015)