79% (1973)

42% (1967)

47% (2004)

43% (1997)

45% (1958)

50% (1971)

50% (1957)

41% (2011)

47% (1970)

0% (1989)

50% (1962)

50% (1957)

50% (1972)

40% (1963)

0% (1985)

70% (1966)

38% (1957)

0% (1974)

0% (1960)

60% (1935)