| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.1%
|
| 1 | Shareholding company with shares traded on the stock market | 16 |
2.2%
|
| 2 | Shareholding company with non-traded shares or shares traded privately | 185 |
25.4%
|
| 3 | Sole proprietorship | 226 |
31%
|
| 4 | Partnership | 293 |
40.2%
|
| 5 | Limited partnership | 6 |
0.8%
|
| 6 | Other | 2 |
0.3%
|