Disember 1980

Disember 1980: 210 companies

1 Disember 1980 9 companies

2 Disember 1980 6 companies

3 Disember 1980 7 companies

4 Disember 1980 8 companies

5 Disember 1980 11 companies

6 Disember 1980 8 companies

8 Disember 1980 4 companies

9 Disember 1980 8 companies

10 Disember 1980 4 companies

11 Disember 1980 3 companies

12 Disember 1980 6 companies

13 Disember 1980 5 companies

15 Disember 1980 10 companies

16 Disember 1980 8 companies

17 Disember 1980 5 companies

18 Disember 1980 7 companies

19 Disember 1980 2 companies

20 Disember 1980 7 companies

22 Disember 1980 4 companies

23 Disember 1980 8 companies

27 Disember 1980 11 companies

29 Disember 1980 7 companies

30 Disember 1980 8 companies

31 Disember 1980 54 companies