april 1983

april 1983: 13 companies

4. april 1983 1 companies

7. april 1983 1 companies

12. april 1983 3 companies

14. april 1983 2 companies

18. april 1983 1 companies

19. april 1983 2 companies

26. april 1983 1 companies

27. april 1983 1 companies

30. april 1983 1 companies