november 1980

november 1980: 787 companies

3. november 1980 33 companies

4. november 1980 23 companies

5. november 1980 37 companies

6. november 1980 31 companies

7. november 1980 40 companies

10. november 1980 39 companies

11. november 1980 38 companies

12. november 1980 52 companies

13. november 1980 37 companies

14. november 1980 38 companies

17. november 1980 22 companies

18. november 1980 32 companies

19. november 1980 42 companies

20. november 1980 42 companies

21. november 1980 42 companies

24. november 1980 32 companies

25. november 1980 50 companies

26. november 1980 51 companies

27. november 1980 50 companies

28. november 1980 56 companies