april 1972

april 1972: 79 companies

3 april 1972 6 companies

4 april 1972 2 companies

5 april 1972 5 companies

6 april 1972 4 companies

11 april 1972 10 companies

12 april 1972 2 companies

13 april 1972 3 companies

15 april 1972 1 companies

16 april 1972 1 companies

17 april 1972 11 companies

18 april 1972 9 companies

19 april 1972 3 companies

21 april 1972 4 companies

22 april 1972 1 companies

24 april 1972 2 companies

26 april 1972 3 companies

27 april 1972 3 companies

28 april 1972 5 companies

29 april 1972 4 companies