68% (2009)

67% (2002)

71% (1995)

70% (2019)

60% (2024)

72% (1973)

55% (1959)

57% (1965)

39% (2014)

65% (2016)

40% (1969)

78% (1974)

72% (2023)

50% (1961)

67% (1966)

52% (1967)

63% (1959)

52% (1971)

56% (1972)

68% (1970)