| Value | Category | Cases | |
|---|---|---|---|
| 1 | 25 | 
                                    
                                    8.5%
                                 | |
| 3 | 260 | 
                                    
                                    88.4%
                                 | |
| 8 | 9 | 
                                    
                                    3.1%
                                 | |
| Sysmiss | 2 |