79% (1955)

79% (1972)

70% (1975)

75% (1978)

74% (1976)

61% (1965)

57% (1973)

56% (1960)

67% (1950)

67% (1974)

50% (1991)

50% (1947)

56% (1970)

53% (1949)

44% (1979)

52% (2012)

52% (1968)

52% (1953)

50% (1955)

50% (1960)