May 1991

May 1991: 4 146 companies

1 may 1991 438 companies

2 may 1991 144 companies

3 may 1991 107 companies

4 may 1991 119 companies

5 may 1991 6 companies

6 may 1991 150 companies

7 may 1991 148 companies

8 may 1991 129 companies

9 may 1991 156 companies

10 may 1991 128 companies

11 may 1991 72 companies

12 may 1991 3 companies

13 may 1991 178 companies

14 may 1991 121 companies

15 may 1991 149 companies

16 may 1991 135 companies

17 may 1991 173 companies

18 may 1991 82 companies

19 may 1991 3 companies

20 may 1991 196 companies

21 may 1991 164 companies

22 may 1991 151 companies

23 may 1991 170 companies

24 may 1991 149 companies

25 may 1991 85 companies

26 may 1991 8 companies

27 may 1991 174 companies

28 may 1991 162 companies

29 may 1991 151 companies

30 may 1991 145 companies

31 may 1991 150 companies