| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | None | 192 | 
                                    
                                    8%
                                 | 
| 1 | Some of them | 1336 | 
                                    
                                    55.7%
                                 | 
| 2 | Most of them | 442 | 
                                    
                                    18.4%
                                 | 
| 3 | All of them | 198 | 
                                    
                                    8.3%
                                 | 
| 8 | Refused | 3 | 
                                    
                                    0.1%
                                 | 
| 9 | Don't know/ Haven’t heard | 229 | 
                                    
                                    9.5%
                                 |