| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know (spontaneous) | 1 |
0.4%
|
| 1 | shareholding company with shares trade in the stock market | 4 |
1.7%
|
| 2 | shareholding company with non-traded shares or shares traded privately | 50 |
20.7%
|
| 3 | sole proprietorship | 100 |
41.5%
|
| 4 | partnership | 54 |
22.4%
|
| 5 | limited partnership | 32 |
13.3%
|
| 6 | other | 0 |
0%
|