| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 1 | Shareholding company with shares traded on the stock market | 9 | 
                                    
                                    4.2%
                                 | 
| 2 | Shareholding company with non-traded shares or shares traded privately | 49 | 
                                    
                                    22.8%
                                 | 
| 3 | Sole proprietorship | 55 | 
                                    
                                    25.6%
                                 | 
| 4 | Partnership | 17 | 
                                    
                                    7.9%
                                 | 
| 5 | Limited partnership | 71 | 
                                    
                                    33%
                                 | 
| 6 | Other | 14 | 
                                    
                                    6.5%
                                 |