| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
2.6%
|
| 1 | Shareholding company with shares traded on the stock market | 13 |
8.6%
|
| 2 | Shareholding company with non-traded shares or shares traded privately | 11 |
7.3%
|
| 3 | Sole proprietorship | 67 |
44.4%
|
| 4 | Partnership | 48 |
31.8%
|
| 5 | Limited partnership | 8 |
5.3%
|
| 6 | Other | 0 |
0%
|