september 1981

september 1981: 373 companies

1. september 1981 54 companies

2. september 1981 9 companies

3. september 1981 15 companies

4. september 1981 25 companies

5. september 1981 1 companies

6. september 1981 3 companies

7. september 1981 10 companies

8. september 1981 6 companies

9. september 1981 5 companies

10. september 1981 12 companies

11. september 1981 19 companies

12. september 1981 2 companies

14. september 1981 9 companies

15. september 1981 28 companies

16. september 1981 9 companies

17. september 1981 6 companies

18. september 1981 25 companies

19. september 1981 3 companies

20. september 1981 2 companies

21. september 1981 7 companies

22. september 1981 7 companies

23. september 1981 12 companies

24. september 1981 12 companies

25. september 1981 25 companies

26. september 1981 6 companies

27. september 1981 1 companies

28. september 1981 11 companies

29. september 1981 20 companies

30. september 1981 29 companies