67% (2009)

67% (2002)

71% (1995)

63% (1963)

70% (2019)

72% (2023)

65% (2016)

78% (1974)

52% (1959)

67% (1966)

68% (1970)

72% (1973)

49% (1997)

52% (1971)

56% (1967)

56% (1972)

48% (1972)

39% (2014)

48% (1957)

50% (1958)