April 1966

April 1966: 62 companies

1 April 1966 6 companies

4 April 1966 4 companies

5 April 1966 4 companies

6 April 1966 1 companies

7 April 1966 2 companies

12 April 1966 2 companies

14 April 1966 1 companies

15 April 1966 3 companies

18 April 1966 10 companies

19 April 1966 5 companies

20 April 1966 2 companies

21 April 1966 3 companies

22 April 1966 3 companies

25 April 1966 5 companies

26 April 1966 2 companies

27 April 1966 2 companies

28 April 1966 3 companies

29 April 1966 4 companies