| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 37 |
3.4%
|
| 1 | Shareholding company with shares traded on the stock market | 67 |
6.1%
|
| 2 | Shareholding company with non-traded shares or shares traded privately | 101 |
9.2%
|
| 3 | Sole proprietorship | 489 |
44.6%
|
| 4 | Partnership | 321 |
29.3%
|
| 5 | Limited partnership | 79 |
7.2%
|
| 6 | Other | 2 |
0.2%
|