May 1991

May 1991: 467 companies

1 may 1991 62 companies

2 may 1991 15 companies

3 may 1991 2 companies

5 may 1991 1 companies

6 may 1991 23 companies

7 may 1991 18 companies

8 may 1991 19 companies

9 may 1991 11 companies

10 may 1991 25 companies

11 may 1991 12 companies

13 may 1991 24 companies

14 may 1991 24 companies

15 may 1991 33 companies

16 may 1991 26 companies

17 may 1991 21 companies

18 may 1991 2 companies

20 may 1991 25 companies

21 may 1991 18 companies

22 may 1991 12 companies

23 may 1991 22 companies

24 may 1991 11 companies

25 may 1991 2 companies

27 may 1991 20 companies

28 may 1991 8 companies

29 may 1991 17 companies

30 may 1991 1 companies

31 may 1991 13 companies