| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 28 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 35 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    
| 1 | None of them | 45 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    
| 2 | Few of them | 385 | 
                                                                 
                                    
                                    38.5%
                                 
                                                             | 
                                                        
                    
| 3 | Most of them | 399 | 
                                                                 
                                    
                                    39.9%
                                 
                                                             | 
                                                        
                    
| 4 | All of them | 108 | 
                                                                 
                                    
                                    10.8%
                                 
                                                             |