April 1982

April 1982: 24 companies

4 April 1982 2 companies

5 April 1982 2 companies

6 April 1982 2 companies

7 April 1982 1 companies

12 April 1982 2 companies

13 April 1982 1 companies

19 April 1982 1 companies

20 April 1982 2 companies

21 April 1982 1 companies

22 April 1982 1 companies

25 April 1982 1 companies

26 April 1982 1 companies

28 April 1982 7 companies