| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 53 | 
                                    
                                    10.6%
                                 | 
| 2 | No | 428 | 
                                    
                                    85.6%
                                 | 
| 3 | Refused | 19 | 
                                    
                                    3.8%
                                 | 
| Sysmiss | 555 |