april 1972

april 1972: 184 companies

1 april 1972 19 companies

3 april 1972 3 companies

4 april 1972 15 companies

5 april 1972 10 companies

6 april 1972 6 companies

7 april 1972 7 companies

10 april 1972 10 companies

11 april 1972 5 companies

12 april 1972 4 companies

13 april 1972 4 companies

14 april 1972 12 companies

17 april 1972 16 companies

18 april 1972 4 companies

19 april 1972 9 companies

20 april 1972 9 companies

21 april 1972 9 companies

24 april 1972 9 companies

25 april 1972 9 companies

26 april 1972 8 companies

27 april 1972 6 companies

28 april 1972 10 companies