april 1987

april 1987: 513 companies

1. april 1987 262 companies

2. april 1987 27 companies

3. april 1987 8 companies

4. april 1987 2 companies

5. april 1987 1 companies

6. april 1987 16 companies

7. april 1987 9 companies

8. april 1987 9 companies

9. april 1987 10 companies

10. april 1987 16 companies

11. april 1987 2 companies

12. april 1987 1 companies

13. april 1987 12 companies

14. april 1987 5 companies

15. april 1987 28 companies

16. april 1987 1 companies

18. april 1987 1 companies

21. april 1987 13 companies

22. april 1987 15 companies

23. april 1987 13 companies

24. april 1987 8 companies

26. april 1987 2 companies

27. april 1987 9 companies

28. april 1987 11 companies

29. april 1987 18 companies

30. april 1987 14 companies