september 1990

september 1990: 633 companies

2. september 1990 43 companies

3. september 1990 31 companies

9. september 1990 91 companies

10. september 1990 67 companies

11. september 1990 24 companies

12. september 1990 56 companies

13. september 1990 46 companies

14. september 1990 12 companies

16. september 1990 28 companies

17. september 1990 35 companies

18. september 1990 30 companies

23. september 1990 28 companies

24. september 1990 30 companies

25. september 1990 35 companies

26. september 1990 19 companies

27. september 1990 28 companies

30. september 1990 30 companies