april 1972

april 1972: 184 companies

1. april 1972 19 companies

3. april 1972 3 companies

4. april 1972 15 companies

5. april 1972 10 companies

6. april 1972 6 companies

7. april 1972 7 companies

10. april 1972 10 companies

11. april 1972 5 companies

12. april 1972 4 companies

13. april 1972 4 companies

14. april 1972 12 companies

17. april 1972 16 companies

18. april 1972 4 companies

19. april 1972 9 companies

20. april 1972 9 companies

21. april 1972 9 companies

24. april 1972 9 companies

25. april 1972 9 companies

26. april 1972 8 companies

27. april 1972 6 companies

28. april 1972 10 companies