April 1990

April 1990: 544 companies

1 April 1990 30 companies

2 April 1990 22 companies

3 April 1990 33 companies

4 April 1990 31 companies

5 April 1990 38 companies

6 April 1990 16 companies

8 April 1990 47 companies

17 April 1990 22 companies

18 April 1990 34 companies

19 April 1990 35 companies

20 April 1990 7 companies

22 April 1990 37 companies

23 April 1990 33 companies

24 April 1990 38 companies

25 April 1990 52 companies

26 April 1990 38 companies

27 April 1990 7 companies

29 April 1990 24 companies