september 1980

september 1980: 1 317 companies

1. september 1980 625 companies

2. september 1980 20 companies

3. september 1980 29 companies

4. september 1980 28 companies

5. september 1980 34 companies

6. september 1980 22 companies

7. september 1980 2 companies

8. september 1980 22 companies

9. september 1980 20 companies

10. september 1980 61 companies

11. september 1980 19 companies

12. september 1980 25 companies

13. september 1980 13 companies

14. september 1980 2 companies

15. september 1980 55 companies

16. september 1980 40 companies

17. september 1980 29 companies

18. september 1980 14 companies

19. september 1980 22 companies

20. september 1980 41 companies

21. september 1980 7 companies

22. september 1980 25 companies

23. september 1980 5 companies

24. september 1980 38 companies

25. september 1980 32 companies

26. september 1980 26 companies

27. september 1980 14 companies

28. september 1980 5 companies

29. september 1980 1 companies

30. september 1980 41 companies