april 1975

april 1975: 176 companies

1. april 1975 20 companies

2. april 1975 6 companies

3. april 1975 4 companies

4. april 1975 4 companies

5. april 1975 5 companies

6. april 1975 1 companies

7. april 1975 5 companies

8. april 1975 4 companies

9. april 1975 9 companies

10. april 1975 7 companies

11. april 1975 3 companies

14. april 1975 8 companies

15. april 1975 9 companies

16. april 1975 6 companies

17. april 1975 4 companies

18. april 1975 9 companies

19. april 1975 2 companies

20. april 1975 2 companies

21. april 1975 6 companies

22. april 1975 4 companies

23. april 1975 9 companies

24. april 1975 8 companies

25. april 1975 2 companies

26. april 1975 1 companies

27. april 1975 2 companies

28. april 1975 9 companies

29. april 1975 13 companies

30. april 1975 14 companies