68% (2009)

67% (2002)

71% (1995)

55% (1959)

70% (2019)

65% (2016)

40% (1969)

67% (1966)

57% (1965)

60% (2024)

63% (1959)

72% (1973)

72% (2023)

70% (1956)

50% (1961)

48% (1972)

78% (1974)

63% (1963)

52% (1959)

0% (1967)