52% (1976)

85% (1954)

64% (1968)

57% (1968)

60% (1964)

39% (1984)

49% (1966)

100% (1954)

57% (1969)

47% (1976)

10% (1974)

15% (1980)

56% (1965)

69% (1974)

42% (1969)

45% (1963)

50% (1955)

20% (1964)

30% (1971)

55% (1967)