april 1960

april 1960: 124 companies

1 april 1960 8 companies

4 april 1960 4 companies

5 april 1960 4 companies

6 april 1960 5 companies

7 april 1960 6 companies

8 april 1960 12 companies

11 april 1960 4 companies

12 april 1960 8 companies

13 april 1960 9 companies

14 april 1960 10 companies

19 april 1960 1 companies

20 april 1960 8 companies

21 april 1960 7 companies

22 april 1960 6 companies

26 april 1960 7 companies

27 april 1960 6 companies

28 april 1960 6 companies

29 april 1960 13 companies