| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | None | 161 | 
                                    
                                    6.7%
                                 | 
| 1 | Some of them | 1358 | 
                                    
                                    56.6%
                                 | 
| 2 | Most of them | 381 | 
                                    
                                    15.9%
                                 | 
| 3 | All of them | 148 | 
                                    
                                    6.2%
                                 | 
| 8 | Refused | 3 | 
                                    
                                    0.1%
                                 | 
| 9 | Don't know/ Haven’t heard | 349 | 
                                    
                                    14.5%
                                 |