57% (1978)

68% (1989)

65% (2023)

71% (2009)

55% (2025)

67% (2001)

50% (2014)

59% (2013)

65% (2006)

65% (2022)

67% (2020)

59% (2007)

67% (2023)

64% (2004)

79% (2013)

64% (1976)

83% (2024)

65% (1921)

50% (1974)

74% (2023)