| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 1 | Shareholding company with shares traded on the stock market | 24 | 
                                    
                                    6%
                                 | 
| 2 | Shareholding company with non-traded shares or shares traded privately | 340 | 
                                    
                                    84.6%
                                 | 
| 3 | Sole proprietorship | 31 | 
                                    
                                    7.7%
                                 | 
| 4 | Partnership | 7 | 
                                    
                                    1.7%
                                 | 
| 5 | Limited partnership | 0 | 
                                    
                                    0%
                                 | 
| 6 | Other | 0 | 
                                    
                                    0%
                                 |