december 1980

december 1980: 210 companies

1. december 1980 9 companies

2. december 1980 6 companies

3. december 1980 7 companies

4. december 1980 8 companies

5. december 1980 11 companies

6. december 1980 8 companies

8. december 1980 4 companies

9. december 1980 8 companies

10. december 1980 4 companies

11. december 1980 3 companies

12. december 1980 6 companies

13. december 1980 5 companies

15. december 1980 10 companies

16. december 1980 8 companies

17. december 1980 5 companies

18. december 1980 7 companies

19. december 1980 2 companies

20. december 1980 7 companies

22. december 1980 4 companies

23. december 1980 8 companies

27. december 1980 11 companies

29. december 1980 7 companies

30. december 1980 8 companies

31. december 1980 54 companies