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