| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 | 
                                    
                                    4.8%
                                 | |
| 3 | 372 | 
                                    
                                    89.6%
                                 | |
| 9 | 23 | 
                                    
                                    5.5%
                                 | |
| Sysmiss | 549 |