| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 | 
                                    
                                    6.4%
                                 | |
| 3 | 218 | 
                                    
                                    69.9%
                                 | |
| 8 | 74 | 
                                    
                                    23.7%
                                 | |
| Sysmiss | 3314 |