73% (1973)

70% (1962)

63% (1975)

69% (1963)

75% (2018)

66% (1964)

62% (1994)

71% (1986)

68% (1972)

69% (1965)

61% (1978)

69% (1978)

64% (1963)

56% (1966)

70% (1981)

49% (1994)

53% (2000)

62% (1977)

61% (1966)

51% (1967)