april 1987

april 1987: 42 companies

2 april 1987 3 companies

3 april 1987 2 companies

4 april 1987 1 companies

6 april 1987 1 companies

9 april 1987 2 companies

10 april 1987 2 companies

11 april 1987 1 companies

12 april 1987 1 companies

13 april 1987 3 companies

14 april 1987 4 companies

16 april 1987 1 companies

19 april 1987 2 companies

20 april 1987 6 companies

22 april 1987 2 companies

23 april 1987 1 companies

26 april 1987 1 companies

27 april 1987 2 companies

28 april 1987 3 companies

29 april 1987 4 companies