december 1991

december 1991: 825 companies

2. december 1991 52 companies

3. december 1991 50 companies

4. december 1991 53 companies

5. december 1991 72 companies

6. december 1991 35 companies

9. december 1991 42 companies

10. december 1991 41 companies

11. december 1991 56 companies

12. december 1991 39 companies

13. december 1991 41 companies

16. december 1991 63 companies

17. december 1991 56 companies

18. december 1991 56 companies

19. december 1991 34 companies

20. december 1991 28 companies

23. december 1991 36 companies

24. december 1991 28 companies

30. december 1991 34 companies

31. december 1991 9 companies