| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 18 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 57 | 
                                                                 
                                    
                                    5.7%
                                 
                                                             | 
                                                        
                    
| 1 | None of them | 108 | 
                                                                 
                                    
                                    10.8%
                                 
                                                             | 
                                                        
                    
| 2 | Few of them | 610 | 
                                                                 
                                    
                                    61%
                                 
                                                             | 
                                                        
                    
| 3 | Most of them | 175 | 
                                                                 
                                    
                                    17.5%
                                 
                                                             | 
                                                        
                    
| 4 | All of them | 32 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             |