| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Shareholding company with shares traded on the stock market | 14 | 
                                                                 
                                    
                                    9.2%
                                 
                                                             | 
                                                        
                    
| 2 | Shareholding company with non-traded shares or shares traded privately | 129 | 
                                                                 
                                    
                                    84.9%
                                 
                                                             | 
                                                        
                    
| 3 | Sole proprietorship | 9 | 
                                                                 
                                    
                                    5.9%
                                 
                                                             | 
                                                        
                    
| 4 | Partnership | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | Limited partnership | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 6 | Other | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |