| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Shareholding company with shares traded on the stock market | 36 | 
                                                                 
                                    
                                    5.9%
                                 
                                                             | 
                                                        
                    
| 2 | Shareholding company with non-traded shares or shares traded privately | 513 | 
                                                                 
                                    
                                    84.2%
                                 
                                                             | 
                                                        
                    
| 3 | Sole proprietorship | 17 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    
| 4 | Partnership | 11 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 5 | Limited partnership | 20 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| 6 | Other | 12 | 
                                                                 
                                    
                                    2%
                                 
                                                             |