| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                    
                                    1.1%
                                 | |
| 1 | No | 39 | 
                                    
                                    10.6%
                                 | 
| 2 | Yes | 326 | 
                                    
                                    88.3%
                                 | 
| 3 | No response/ refusal | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 112 |