53% (2007)

49% (1976)

57% (2009)

71% (2001)

63% (2017)

67% (2023)

74% (1970)

52% (1987)

52% (2013)

65% (1971)

68% (2023)

45% (2007)

57% (1968)

72% (1989)

56% (1980)

63% (1972)

63% (1985)

55% (1967)

65% (1970)

81% (1961)