april 1983

april 1983: 227 companies

2. april 1983 10 companies

4. april 1983 11 companies

5. april 1983 15 companies

6. april 1983 9 companies

7. april 1983 9 companies

8. april 1983 16 companies

9. april 1983 9 companies

11. april 1983 8 companies

12. april 1983 5 companies

13. april 1983 8 companies

14. april 1983 9 companies

15. april 1983 12 companies

16. april 1983 8 companies

18. april 1983 5 companies

19. april 1983 10 companies

20. april 1983 9 companies

21. april 1983 8 companies

22. april 1983 9 companies

23. april 1983 5 companies

25. april 1983 8 companies

26. april 1983 6 companies

27. april 1983 9 companies

28. april 1983 11 companies

29. april 1983 8 companies

30. april 1983 10 companies