april 1971

april 1971: 241 companies

2 april 1971 15 companies

4 april 1971 3 companies

5 april 1971 5 companies

6 april 1971 11 companies

8 april 1971 17 companies

18 april 1971 48 companies

20 april 1971 1 companies

23 april 1971 14 companies

25 april 1971 29 companies

26 april 1971 46 companies

27 april 1971 43 companies

28 april 1971 2 companies

30 april 1971 7 companies