44% (1979)

50% (1961)

50% (1954)

55% (1961)

55% (1960)

53% (1958)

27% (2007)

50% (1956)

50% (1955)

56% (1970)

50% (1957)

60% (1958)

52% (1953)

50% (1960)

50% (1991)

60% (1953)