April 1983

April 1983: 564 companies

5. April 1983 20 companies

6. April 1983 26 companies

7. April 1983 22 companies

8. April 1983 35 companies

11. April 1983 18 companies

12. April 1983 34 companies

13. April 1983 40 companies

14. April 1983 38 companies

15. April 1983 29 companies

18. April 1983 23 companies

19. April 1983 23 companies

20. April 1983 33 companies

21. April 1983 27 companies

22. April 1983 42 companies

26. April 1983 42 companies

27. April 1983 37 companies

28. April 1983 49 companies

29. April 1983 26 companies