april 1991

april 1991: 529 companies

1 april 1991 48 companies

2 april 1991 56 companies

3 april 1991 17 companies

4 april 1991 19 companies

5 april 1991 16 companies

6 april 1991 7 companies

8 april 1991 18 companies

9 april 1991 18 companies

10 april 1991 15 companies

11 april 1991 25 companies

12 april 1991 22 companies

15 april 1991 37 companies

16 april 1991 26 companies

17 april 1991 13 companies

18 april 1991 25 companies

19 april 1991 15 companies

20 april 1991 4 companies

21 april 1991 2 companies

22 april 1991 25 companies

23 april 1991 14 companies

24 april 1991 10 companies

25 april 1991 33 companies

26 april 1991 16 companies

27 april 1991 1 companies

28 april 1991 1 companies

29 april 1991 22 companies

30 april 1991 24 companies