April 1983

April 1983: 227 companies

2 April 1983 10 companies

4 April 1983 11 companies

5 April 1983 15 companies

6 April 1983 9 companies

7 April 1983 9 companies

8 April 1983 16 companies

9 April 1983 9 companies

11 April 1983 8 companies

12 April 1983 5 companies

13 April 1983 8 companies

14 April 1983 9 companies

15 April 1983 12 companies

16 April 1983 8 companies

18 April 1983 5 companies

19 April 1983 10 companies

20 April 1983 9 companies

21 April 1983 8 companies

22 April 1983 9 companies

23 April 1983 5 companies

25 April 1983 8 companies

26 April 1983 6 companies

27 April 1983 9 companies

28 April 1983 11 companies

29 April 1983 8 companies

30 April 1983 10 companies