mai 1981

mai 1981: 317 companies

1 mai 1981 8 companies

3 mai 1981 5 companies

6 mai 1981 36 companies

8 mai 1981 17 companies

11 mai 1981 25 companies

14 mai 1981 28 companies

20 mai 1981 14 companies

21 mai 1981 47 companies

25 mai 1981 27 companies

26 mai 1981 28 companies

31 mai 1981 82 companies