september 1981

september 1981: 145 companies

1. september 1981 9 companies

2. september 1981 3 companies

3. september 1981 2 companies

4. september 1981 4 companies

5. september 1981 1 companies

7. september 1981 4 companies

8. september 1981 10 companies

9. september 1981 3 companies

10. september 1981 7 companies

11. september 1981 4 companies

12. september 1981 3 companies

14. september 1981 12 companies

15. september 1981 8 companies

16. september 1981 4 companies

17. september 1981 6 companies

18. september 1981 5 companies

19. september 1981 5 companies

21. september 1981 5 companies

22. september 1981 7 companies

23. september 1981 6 companies

24. september 1981 7 companies

25. september 1981 8 companies

26. september 1981 3 companies

28. september 1981 7 companies

29. september 1981 6 companies

30. september 1981 6 companies