| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | None | 156 | 
                                    
                                    13%
                                 | 
| 1 | Some of them | 546 | 
                                    
                                    45.5%
                                 | 
| 2 | Most of them | 290 | 
                                    
                                    24.2%
                                 | 
| 3 | All of them | 75 | 
                                    
                                    6.3%
                                 | 
| 8 | Refused | 3 | 
                                    
                                    0.3%
                                 | 
| 9 | Don't know/ Haven’t heard | 130 | 
                                    
                                    10.8%
                                 |