december 1979

december 1979: 461 companies

3. december 1979 30 companies

4. december 1979 13 companies

5. december 1979 22 companies

6. december 1979 35 companies

7. december 1979 37 companies

10. december 1979 16 companies

11. december 1979 22 companies

12. december 1979 23 companies

13. december 1979 34 companies

14. december 1979 33 companies

17. december 1979 38 companies

18. december 1979 36 companies

19. december 1979 36 companies

20. december 1979 18 companies

21. december 1979 32 companies

24. december 1979 5 companies

27. december 1979 7 companies

28. december 1979 20 companies

31. december 1979 4 companies