april 1975

april 1975: 324 companies

1. april 1975 10 companies

2. april 1975 9 companies

3. april 1975 10 companies

4. april 1975 14 companies

7. april 1975 11 companies

8. april 1975 15 companies

9. april 1975 9 companies

10. april 1975 11 companies

11. april 1975 9 companies

13. april 1975 1 companies

14. april 1975 21 companies

15. april 1975 12 companies

16. april 1975 19 companies

17. april 1975 14 companies

18. april 1975 18 companies

21. april 1975 14 companies

22. april 1975 22 companies

23. april 1975 20 companies

24. april 1975 23 companies

28. april 1975 14 companies

29. april 1975 26 companies

30. april 1975 22 companies