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