25% (1951)

60% (1927)

40% (1958)

50% (1954)

43% (1955)

37% (1939)

60% (1936)

47% (1949)

30% (1947)

35% (1928)

10% (1947)

0% (1922)

0% (1951)

55% (1970)

54% (1946)

25% (1965)

0% (1964)

70% (1952)

0% (1954)

45% (1946)