| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | None | 196 | 
                                    
                                    8.2%
                                 | 
| 1 | Some of them | 1451 | 
                                    
                                    60.5%
                                 | 
| 2 | Most of them | 297 | 
                                    
                                    12.4%
                                 | 
| 3 | All of them | 103 | 
                                    
                                    4.3%
                                 | 
| 8 | Refused | 2 | 
                                    
                                    0.1%
                                 | 
| 9 | Don't know/ Haven’t heard | 351 | 
                                    
                                    14.6%
                                 |