| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 | 
                                    
                                    1.4%
                                 | |
| 3 | 406 | 
                                    
                                    94%
                                 | |
| 9 | 20 | 
                                    
                                    4.6%
                                 | |
| Sysmiss | 186 |