April 1987

April 1987: 42 companies

2 April 1987 3 companies

3 April 1987 2 companies

4 April 1987 1 companies

6 April 1987 1 companies

9 April 1987 2 companies

10 April 1987 2 companies

11 April 1987 1 companies

12 April 1987 1 companies

13 April 1987 3 companies

14 April 1987 4 companies

16 April 1987 1 companies

19 April 1987 2 companies

20 April 1987 6 companies

22 April 1987 2 companies

23 April 1987 1 companies

26 April 1987 1 companies

27 April 1987 2 companies

28 April 1987 3 companies

29 April 1987 4 companies