50% (1961)

56% (1985)

59% (2000)

55% (2022)

50% (1971)

65% (2022)

70% (2021)

67% (1989)

50% (2000)

70% (1975)

71% (2012)

79% (1976)

73% (2016)

70% (1976)

74% (1997)

71% (2019)

82% (2011)

72% (1999)

69% (2003)

72% (2007)