april 1992

april 1992: 18 companies

6 april 1992 1 companies

7 april 1992 1 companies

8 april 1992 1 companies

9 april 1992 1 companies

10 april 1992 1 companies

12 april 1992 1 companies

16 april 1992 1 companies

17 april 1992 2 companies

20 april 1992 1 companies

21 april 1992 1 companies

23 april 1992 1 companies

25 april 1992 2 companies

27 april 1992 1 companies

28 april 1992 1 companies

30 april 1992 2 companies