54% (1937)

30% (1973)

30% (2000)

59% (1955)

40% (2002)

0% (1984)

55% (1954)

0% (1961)

68% (1940)

13% (1992)

30% (1980)

0% (1985)

20% (1980)

38% (1982)

65% (1997)

0% (1959)

20% (1979)

50% (1941)

50% (1951)

35% (1963)