51% (1977)

46% (1983)

80% (1965)

68% (2022)

60% (2020)

75% (2019)

66% (1975)

72% (1966)

72% (2023)

68% (2014)

65% (1967)

51% (1979)

65% (2015)

65% (1986)

64% (1979)

67% (1985)

57% (1977)

69% (2015)

59% (1959)

74% (2023)