April 1979

April 1979: 115 companies

2. April 1979 5 companies

3. April 1979 6 companies

4. April 1979 7 companies

5. April 1979 6 companies

6. April 1979 6 companies

7. April 1979 4 companies

9. April 1979 8 companies

10. April 1979 5 companies

11. April 1979 12 companies

12. April 1979 10 companies

13. April 1979 4 companies

14. April 1979 7 companies

16. April 1979 6 companies

17. April 1979 6 companies

18. April 1979 1 companies

19. April 1979 4 companies

24. April 1979 5 companies

26. April 1979 3 companies

27. April 1979 4 companies

28. April 1979 1 companies

30. April 1979 5 companies