73% (1960)

28% (1983)

71% (1957)

47% (1991)

49% (1961)

48% (1961)

68% (1957)

35% (1954)

30% (1953)

0% (1953)

41% (1958)

20% (1991)

0% (1955)

66% (1956)

65% (1961)

53% (1959)

60% (1954)

0% (1947)