april 1991

april 1991: 736 companies

1. april 1991 24 companies

2. april 1991 17 companies

3. april 1991 14 companies

7. april 1991 34 companies

8. april 1991 31 companies

9. april 1991 40 companies

10. april 1991 33 companies

11. april 1991 36 companies

12. april 1991 9 companies

14. april 1991 41 companies

15. april 1991 47 companies

16. april 1991 37 companies

17. april 1991 3 companies

19. april 1991 1 companies

21. april 1991 59 companies

22. april 1991 30 companies

23. april 1991 46 companies

24. april 1991 43 companies

25. april 1991 49 companies

26. april 1991 4 companies

28. april 1991 46 companies

29. april 1991 51 companies

30. april 1991 41 companies