61% (1981)

71% (2018)

65% (1967)

72% (1983)

68% (1976)

62% (1980)

75% (2023)

69% (2007)

69% (2020)

69% (1986)

41% (1987)

75% (1976)

55% (1973)

66% (2016)

63% (2017)

50% (1961)

61% (1973)

62% (2020)

43% (2001)

50% (2024)