May 1980

May 1980: 160 companies

2-may, 1980 10 companies

3-may, 1980 8 companies

5-may, 1980 12 companies

6-may, 1980 5 companies

7-may, 1980 6 companies

9-may, 1980 7 companies

10-may, 1980 9 companies

12-may, 1980 7 companies

13-may, 1980 13 companies

14-may, 1980 4 companies

15-may, 1980 5 companies

16-may, 1980 8 companies

17-may, 1980 6 companies

19-may, 1980 10 companies

20-may, 1980 4 companies

21-may, 1980 3 companies

22-may, 1980 3 companies

23-may, 1980 4 companies

24-may, 1980 2 companies

26-may, 1980 7 companies

27-may, 1980 4 companies

28-may, 1980 4 companies

29-may, 1980 5 companies

30-may, 1980 7 companies

31-may, 1980 7 companies