40% (1959)

60% (1947)

50% (1939)

50% (1949)

25% (1951)

0% (1955)

80% (1935)

40% (1949)

35% (1955)

0% (1950)

40% (1949)

0% (1958)

0% (1955)

40% (1954)

30% (1940)

10% (1957)

0% (1945)

55% (1951)

60% (1942)

60% (1955)