| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
2.6%
|
|
| 1 | chamber of commerce | 31 |
20.4%
|
| 2 | specialised federation of industries | 30 |
19.7%
|
| 3 | geographical federation | 55 |
36.2%
|
| 4 | other | 32 |
21.1%
|
| Sysmiss | 2796 |