0% (1975)

60% (1963)

38% (1976)

35% (1960)

63% (1964)

50% (1957)

70% (1959)

57% (1964)

62% (1962)

45% (1959)

53% (1958)

60% (1958)

45% (1958)

63% (1961)

53% (1970)

40% (2003)

34% (1958)

37% (1959)

52% (1992)

55% (1948)