april 1975

april 1975: 812 companies

1. april 1975 381 companies

2. april 1975 21 companies

3. april 1975 14 companies

4. april 1975 13 companies

5. april 1975 10 companies

6. april 1975 4 companies

7. april 1975 22 companies

8. april 1975 13 companies

9. april 1975 8 companies

10. april 1975 28 companies

11. april 1975 12 companies

12. april 1975 11 companies

13. april 1975 2 companies

14. april 1975 5 companies

15. april 1975 37 companies

16. april 1975 19 companies

17. april 1975 13 companies

18. april 1975 14 companies

19. april 1975 14 companies

20. april 1975 35 companies

21. april 1975 24 companies

22. april 1975 14 companies

23. april 1975 13 companies

24. april 1975 10 companies

25. april 1975 21 companies

26. april 1975 9 companies

27. april 1975 1 companies

28. april 1975 10 companies

29. april 1975 8 companies

30. april 1975 26 companies