| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 29 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 37 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    
| 1 | None of them | 48 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    
| 2 | Few of them | 493 | 
                                                                 
                                    
                                    49.3%
                                 
                                                             | 
                                                        
                    
| 3 | Most of them | 317 | 
                                                                 
                                    
                                    31.7%
                                 
                                                             | 
                                                        
                    
| 4 | All of them | 76 | 
                                                                 
                                    
                                    7.6%
                                 
                                                             |