April 1973

April 1973: 64 companies

1 April 1973 6 companies

2 April 1973 3 companies

3 April 1973 3 companies

4 April 1973 2 companies

5 April 1973 3 companies

6 April 1973 1 companies

10 April 1973 1 companies

11 April 1973 2 companies

12 April 1973 4 companies

13 April 1973 3 companies

16 April 1973 7 companies

17 April 1973 5 companies

18 April 1973 1 companies

23 April 1973 1 companies

24 April 1973 2 companies

25 April 1973 8 companies

26 April 1973 6 companies

27 April 1973 3 companies

30 April 1973 3 companies