November 1980

November 1980: 270 companies

1 November 1980 44 companies

2 November 1980 2 companies

3 November 1980 16 companies

4 November 1980 12 companies

5 November 1980 9 companies

6 November 1980 2 companies

7 November 1980 14 companies

8 November 1980 1 companies

9 November 1980 2 companies

10 November 1980 13 companies

11 November 1980 7 companies

12 November 1980 7 companies

13 November 1980 7 companies

14 November 1980 7 companies

15 November 1980 7 companies

16 November 1980 1 companies

17 November 1980 10 companies

18 November 1980 6 companies

19 November 1980 6 companies

20 November 1980 11 companies

21 November 1980 10 companies

22 November 1980 4 companies

24 November 1980 19 companies

25 November 1980 9 companies

26 November 1980 17 companies

27 November 1980 10 companies

28 November 1980 11 companies

29 November 1980 3 companies

30 November 1980 3 companies