august 1981

august 1981: 662 companies

3. august 1981 27 companies

4. august 1981 27 companies

5. august 1981 35 companies

6. august 1981 32 companies

7. august 1981 30 companies

10. august 1981 36 companies

11. august 1981 30 companies

12. august 1981 27 companies

13. august 1981 34 companies

14. august 1981 44 companies

17. august 1981 18 companies

18. august 1981 15 companies

19. august 1981 39 companies

20. august 1981 36 companies

21. august 1981 40 companies

24. august 1981 37 companies

25. august 1981 29 companies

26. august 1981 37 companies

27. august 1981 33 companies

28. august 1981 25 companies

31. august 1981 31 companies