| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 6 | 
                                    
                                    60%
                                 | 
| 2 | No | 3 | 
                                    
                                    30%
                                 | 
| 3 | Not applicable | 1 | 
                                    
                                    10%
                                 | 
| Sysmiss | 581 |