76% (1986)

81% (1995)

72% (2023)

60% (2015)

64% (2019)

66% (2022)

69% (2021)

70% (2014)

65% (1996)

52% (1967)

64% (2015)

64% (2004)

70% (2018)

64% (1980)

65% (2000)

72% (1995)

71% (2020)

67% (2005)

74% (2014)

72% (2000)