april 1989

april 1989: 404 companies

3. april 1989 17 companies

4. april 1989 17 companies

5. april 1989 22 companies

6. april 1989 18 companies

7. april 1989 24 companies

8. april 1989 10 companies

10. april 1989 17 companies

11. april 1989 24 companies

12. april 1989 14 companies

13. april 1989 17 companies

14. april 1989 20 companies

15. april 1989 14 companies

17. april 1989 11 companies

18. april 1989 26 companies

19. april 1989 19 companies

20. april 1989 14 companies

21. april 1989 15 companies

22. april 1989 17 companies

24. april 1989 21 companies

25. april 1989 24 companies

26. april 1989 19 companies

27. april 1989 24 companies