70% (2005)

64% (1969)

66% (1967)

72% (1960)

60% (1967)

71% (1976)

46% (2018)

64% (1972)

64% (1961)

63% (1975)

55% (1973)

71% (1972)

62% (1966)

64% (2010)

65% (1963)

69% (1952)

62% (1966)

56% (1940)

73% (1962)

71% (1964)