september 1981

september 1981: 889 companies

1 september 1981 36 companies

2 september 1981 36 companies

3 september 1981 38 companies

4 september 1981 35 companies

7 september 1981 45 companies

8 september 1981 49 companies

9 september 1981 33 companies

10 september 1981 44 companies

11 september 1981 27 companies

14 september 1981 50 companies

15 september 1981 70 companies

16 september 1981 29 companies

17 september 1981 21 companies

18 september 1981 47 companies

21 september 1981 32 companies

22 september 1981 37 companies

23 september 1981 42 companies

24 september 1981 25 companies

25 september 1981 73 companies

28 september 1981 68 companies

29 september 1981 23 companies

30 september 1981 29 companies