april 1977

april 1977: 281 companies

1. april 1977 49 companies

2. april 1977 3 companies

3. april 1977 2 companies

4. april 1977 8 companies

5. april 1977 6 companies

6. april 1977 5 companies

7. april 1977 1 companies

9. april 1977 2 companies

10. april 1977 3 companies

12. april 1977 14 companies

13. april 1977 10 companies

14. april 1977 13 companies

15. april 1977 24 companies

16. april 1977 1 companies

17. april 1977 1 companies

18. april 1977 21 companies

19. april 1977 9 companies

20. april 1977 12 companies

21. april 1977 10 companies

22. april 1977 8 companies

23. april 1977 1 companies

24. april 1977 2 companies

25. april 1977 8 companies

26. april 1977 12 companies

27. april 1977 12 companies

28. april 1977 18 companies

29. april 1977 16 companies

30. april 1977 10 companies