| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
0%
|
| 1 | Shareholding company with shares traded on the stock market | 1157 |
4%
|
| 2 | Shareholding company with non-traded shares or shares traded privately | 6741 |
23.1%
|
| 3 | Sole proprietorship | 14147 |
48.6%
|
| 4 | Partnership | 3891 |
13.4%
|
| 5 | Limited partnership | 2921 |
10%
|
| 6 | Other | 275 |
0.9%
|