April 1972

April 1972: 228 companies

4 April 1972 6 companies

5 April 1972 10 companies

6 April 1972 12 companies

7 April 1972 13 companies

10 April 1972 11 companies

11 April 1972 11 companies

12 April 1972 11 companies

13 April 1972 7 companies

14 April 1972 14 companies

17 April 1972 6 companies

18 April 1972 12 companies

19 April 1972 14 companies

20 April 1972 13 companies

21 April 1972 19 companies

24 April 1972 4 companies

26 April 1972 17 companies

27 April 1972 20 companies

28 April 1972 28 companies