| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | None | 225 | 
                                    
                                    18.8%
                                 | 
| 1 | Some of them | 544 | 
                                    
                                    45.3%
                                 | 
| 2 | Most of them | 181 | 
                                    
                                    15.1%
                                 | 
| 3 | All of them | 91 | 
                                    
                                    7.6%
                                 | 
| 8 | Refused | 6 | 
                                    
                                    0.5%
                                 | 
| 9 | Don't know/ Haven’t heard | 153 | 
                                    
                                    12.8%
                                 |