| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | None | 56 | 
                                    
                                    4.7%
                                 | 
| 1 | Some of them | 395 | 
                                    
                                    32.9%
                                 | 
| 2 | Most of them | 435 | 
                                    
                                    36.3%
                                 | 
| 3 | All of them | 180 | 
                                    
                                    15%
                                 | 
| 8 | Refused | 2 | 
                                    
                                    0.2%
                                 | 
| 9 | Don't know/ Haven’t heard | 132 | 
                                    
                                    11%
                                 |