september 1980

september 1980: 122 companies

1 september 1980 11 companies

3 september 1980 4 companies

4 september 1980 2 companies

5 september 1980 5 companies

6 september 1980 7 companies

8 september 1980 6 companies

9 september 1980 11 companies

10 september 1980 2 companies

12 september 1980 1 companies

13 september 1980 5 companies

15 september 1980 7 companies

16 september 1980 8 companies

18 september 1980 8 companies

19 september 1980 2 companies

20 september 1980 4 companies

22 september 1980 13 companies

23 september 1980 6 companies

24 september 1980 2 companies

25 september 1980 7 companies

26 september 1980 4 companies

29 september 1980 3 companies

30 september 1980 4 companies