| Value | Category | Cases | |
|---|---|---|---|
| 1 | 40 | 
                                    
                                    11.1%
                                 | |
| 3 | 317 | 
                                    
                                    88.1%
                                 | |
| 8 | 3 | 
                                    
                                    0.8%
                                 | |
| Sysmiss | 3174 |