april 1990

april 1990: 917 companies

2 april 1990 39 companies

3 april 1990 50 companies

4 april 1990 47 companies

5 april 1990 57 companies

6 april 1990 44 companies

9 april 1990 54 companies

10 april 1990 38 companies

11 april 1990 53 companies

12 april 1990 38 companies

15 april 1990 1 companies

17 april 1990 63 companies

18 april 1990 41 companies

19 april 1990 42 companies

20 april 1990 51 companies

23 april 1990 51 companies

24 april 1990 29 companies

25 april 1990 61 companies

26 april 1990 39 companies

27 april 1990 51 companies

30 april 1990 68 companies