May 1970

May 1970: 260 companies

3 may 1970 8 companies

4 may 1970 16 companies

5 may 1970 4 companies

7 may 1970 10 companies

8 may 1970 12 companies

12 may 1970 20 companies

14 may 1970 13 companies

15 may 1970 17 companies

17 may 1970 13 companies

19 may 1970 29 companies

21 may 1970 3 companies

22 may 1970 40 companies

24 may 1970 1 companies

25 may 1970 3 companies

27 may 1970 33 companies

28 may 1970 9 companies

29 may 1970 11 companies

31 may 1970 18 companies