april 1973

april 1973: 303 companies

1. april 1973 6 companies

2. april 1973 12 companies

3. april 1973 25 companies

4. april 1973 6 companies

5. april 1973 10 companies

6. april 1973 10 companies

8. april 1973 9 companies

9. april 1973 7 companies

10. april 1973 8 companies

11. april 1973 11 companies

12. april 1973 39 companies

13. april 1973 17 companies

15. april 1973 18 companies

16. april 1973 1 companies

18. april 1973 8 companies

19. april 1973 15 companies

20. april 1973 19 companies

24. april 1973 3 companies

25. april 1973 9 companies

26. april 1973 45 companies

27. april 1973 2 companies

29. april 1973 3 companies

30. april 1973 20 companies