april 1973

april 1973: 618 companies

1. april 1973 316 companies

2. april 1973 14 companies

3. april 1973 14 companies

4. april 1973 8 companies

5. april 1973 9 companies

6. april 1973 11 companies

7. april 1973 10 companies

8. april 1973 7 companies

9. april 1973 11 companies

10. april 1973 27 companies

11. april 1973 3 companies

12. april 1973 8 companies

13. april 1973 4 companies

14. april 1973 6 companies

15. april 1973 20 companies

16. april 1973 19 companies

17. april 1973 10 companies

18. april 1973 13 companies

19. april 1973 11 companies

20. april 1973 17 companies

21. april 1973 9 companies

23. april 1973 10 companies

24. april 1973 9 companies

25. april 1973 14 companies

26. april 1973 9 companies

27. april 1973 6 companies

28. april 1973 5 companies

29. april 1973 2 companies

30. april 1973 16 companies