| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | None | 346 | 
                                    
                                    28.8%
                                 | 
| 1 | Some of them | 567 | 
                                    
                                    47.3%
                                 | 
| 2 | Most of them | 173 | 
                                    
                                    14.4%
                                 | 
| 3 | All of them | 35 | 
                                    
                                    2.9%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don't know/ Haven’t heard | 79 | 
                                    
                                    6.6%
                                 |