60% (1976)

65% (2010)

67% (1972)

66% (2007)

68% (1970)

57% (1975)

58% (1987)

60% (1968)

72% (1973)

64% (1970)

53% (1971)

59% (1974)

53% (2022)

61% (1996)

43% (2019)

63% (1979)

73% (1976)

53% (1969)

56% (2007)

54% (1969)