May 1987

May 1987: 258 companies

2 may 1987 4 companies

4 may 1987 6 companies

5 may 1987 9 companies

6 may 1987 4 companies

7 may 1987 12 companies

8 may 1987 14 companies

9 may 1987 8 companies

11 may 1987 9 companies

12 may 1987 16 companies

13 may 1987 5 companies

14 may 1987 9 companies

15 may 1987 10 companies

16 may 1987 12 companies

18 may 1987 14 companies

19 may 1987 3 companies

20 may 1987 10 companies

21 may 1987 16 companies

22 may 1987 11 companies

23 may 1987 9 companies

25 may 1987 11 companies

26 may 1987 6 companies

27 may 1987 14 companies

28 may 1987 20 companies

29 may 1987 20 companies

30 may 1987 6 companies