april 1987

april 1987: 643 companies

1. april 1987 43 companies

2. april 1987 44 companies

3. april 1987 35 companies

4. april 1987 10 companies

5. april 1987 35 companies

6. april 1987 17 companies

7. april 1987 33 companies

8. april 1987 33 companies

9. april 1987 38 companies

10. april 1987 19 companies

12. april 1987 35 companies

13. april 1987 37 companies

17. april 1987 18 companies

22. april 1987 11 companies

23. april 1987 1 companies

24. april 1987 24 companies

26. april 1987 28 companies

27. april 1987 59 companies

28. april 1987 45 companies

29. april 1987 15 companies

30. april 1987 63 companies