| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.1%
|
| 1 | Shareholding company with shares traded on the stock market | 70 |
7%
|
| 2 | Shareholding company with non-traded shares or shares traded privately | 232 |
23%
|
| 3 | Sole proprietorship | 63 |
6.3%
|
| 4 | Partnership | 637 |
63.3%
|
| 5 | Limited partnership | 4 |
0.4%
|
| 6 | Other | 0 |
0%
|