Disember 1980

Disember 1980: 228 companies

1 Disember 1980 10 companies

2 Disember 1980 8 companies

3 Disember 1980 10 companies

4 Disember 1980 16 companies

5 Disember 1980 21 companies

7 Disember 1980 12 companies

8 Disember 1980 16 companies

9 Disember 1980 15 companies

10 Disember 1980 10 companies

11 Disember 1980 34 companies

12 Disember 1980 4 companies

14 Disember 1980 6 companies

15 Disember 1980 10 companies

16 Disember 1980 5 companies

17 Disember 1980 3 companies

18 Disember 1980 3 companies

19 Disember 1980 4 companies

25 Disember 1980 9 companies

29 Disember 1980 8 companies

30 Disember 1980 22 companies

31 Disember 1980 2 companies