April 1978

April 1978: 220 companies

2 April 1978 18 companies

4 April 1978 23 companies

5 April 1978 10 companies

6 April 1978 8 companies

7 April 1978 8 companies

9 April 1978 6 companies

10 April 1978 1 companies

11 April 1978 16 companies

12 April 1978 13 companies

13 April 1978 15 companies

14 April 1978 9 companies

16 April 1978 7 companies

17 April 1978 10 companies

18 April 1978 8 companies

19 April 1978 7 companies

20 April 1978 9 companies

23 April 1978 12 companies

24 April 1978 23 companies

26 April 1978 12 companies

27 April 1978 1 companies

30 April 1978 4 companies