71% (1968)

55% (1980)

63% (1936)

63% (1989)

65% (1985)

68% (2004)

56% (1940)

60% (1960)

0% (1961)

0% (1961)

60% (1966)

54% (1982)

10% (1960)

40% (1972)

15% (1960)

10% (1960)

35% (1960)

55% (1960)

35% (1960)

0% (1970)