| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | None | 188 | 
                                    
                                    15.7%
                                 | 
| 1 | Some of them | 543 | 
                                    
                                    45.3%
                                 | 
| 2 | Most of them | 244 | 
                                    
                                    20.3%
                                 | 
| 3 | All of them | 88 | 
                                    
                                    7.3%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0.1%
                                 | 
| 9 | Don't know/ Haven’t heard | 136 | 
                                    
                                    11.3%
                                 |