april 1989

april 1989: 688 companies

1. april 1989 411 companies

2. april 1989 4 companies

3. april 1989 32 companies

4. april 1989 22 companies

5. april 1989 15 companies

6. april 1989 6 companies

7. april 1989 5 companies

8. april 1989 1 companies

10. april 1989 10 companies

11. april 1989 9 companies

12. april 1989 24 companies

13. april 1989 6 companies

14. april 1989 11 companies

15. april 1989 8 companies

17. april 1989 10 companies

18. april 1989 8 companies

19. april 1989 15 companies

20. april 1989 14 companies

24. april 1989 17 companies

25. april 1989 7 companies

26. april 1989 11 companies

27. april 1989 25 companies

28. april 1989 16 companies

30. april 1989 1 companies