72% (2022)

59% (2011)

72% (2019)

55% (2015)

57% (2000)

76% (1960)

59% (1977)

59% (1994)

63% (2010)

74% (1996)

55% (1986)

76% (1988)

56% (2018)

68% (1994)

64% (1972)

71% (2024)

64% (1993)

68% (2007)

66% (2023)

61% (2020)