Mei 1981

Mei 1981: 677 companies

1 Mei 1981 43 companies

4 Mei 1981 32 companies

5 Mei 1981 29 companies

6 Mei 1981 24 companies

7 Mei 1981 28 companies

8 Mei 1981 34 companies

11 Mei 1981 27 companies

12 Mei 1981 37 companies

13 Mei 1981 24 companies

14 Mei 1981 28 companies

15 Mei 1981 35 companies

18 Mei 1981 32 companies

19 Mei 1981 29 companies

20 Mei 1981 26 companies

21 Mei 1981 22 companies

22 Mei 1981 37 companies

25 Mei 1981 32 companies

26 Mei 1981 32 companies

27 Mei 1981 46 companies

28 Mei 1981 39 companies

29 Mei 1981 41 companies