april 1973

april 1973: 215 companies

2. april 1973 6 companies

3. april 1973 8 companies

4. april 1973 10 companies

5. april 1973 9 companies

6. april 1973 12 companies

7. april 1973 1 companies

9. april 1973 4 companies

10. april 1973 2 companies

11. april 1973 2 companies

12. april 1973 7 companies

13. april 1973 3 companies

14. april 1973 10 companies

16. april 1973 7 companies

17. april 1973 15 companies

18. april 1973 16 companies

19. april 1973 13 companies

21. april 1973 12 companies

23. april 1973 8 companies

24. april 1973 25 companies

25. april 1973 11 companies

26. april 1973 5 companies

27. april 1973 15 companies

28. april 1973 10 companies

30. april 1973 4 companies