april 1977

april 1977: 801 companies

1. april 1977 363 companies

2. april 1977 8 companies

3. april 1977 7 companies

4. april 1977 16 companies

5. april 1977 8 companies

6. april 1977 24 companies

7. april 1977 12 companies

8. april 1977 16 companies

9. april 1977 12 companies

10. april 1977 17 companies

11. april 1977 18 companies

12. april 1977 19 companies

13. april 1977 14 companies

14. april 1977 12 companies

15. april 1977 32 companies

16. april 1977 28 companies

17. april 1977 2 companies

18. april 1977 11 companies

19. april 1977 12 companies

20. april 1977 37 companies

21. april 1977 18 companies

22. april 1977 18 companies

23. april 1977 3 companies

25. april 1977 20 companies

26. april 1977 16 companies

27. april 1977 19 companies

28. april 1977 19 companies

29. april 1977 8 companies

30. april 1977 12 companies