| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | None | 165 | 
                                    
                                    13.8%
                                 | 
| 1 | Some of them | 533 | 
                                    
                                    44.4%
                                 | 
| 2 | Most of them | 290 | 
                                    
                                    24.2%
                                 | 
| 3 | All of them | 83 | 
                                    
                                    6.9%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don't know/ Haven’t heard | 129 | 
                                    
                                    10.8%
                                 |