april 1989

april 1989: 602 companies

2. april 1989 73 companies

3. april 1989 45 companies

4. april 1989 42 companies

5. april 1989 28 companies

6. april 1989 26 companies

7. april 1989 10 companies

9. april 1989 25 companies

10. april 1989 45 companies

11. april 1989 42 companies

12. april 1989 26 companies

13. april 1989 40 companies

14. april 1989 8 companies

16. april 1989 28 companies

17. april 1989 42 companies

18. april 1989 41 companies

27. april 1989 43 companies

28. april 1989 8 companies

30. april 1989 30 companies