67% (2009)

66% (2002)

71% (1995)

69% (2019)

53% (2002)

73% (2023)

65% (2016)

72% (1973)

68% (1970)

70% (1956)

63% (1963)

56% (1972)

52% (1961)

67% (1966)

52% (1967)

63% (1959)

49% (1997)

52% (1959)

48% (1972)

39% (2014)