| Value | Category | Cases | |
|---|---|---|---|
| 1 | 115 | 
                                    
                                    27.7%
                                 | |
| 3 | 282 | 
                                    
                                    68%
                                 | |
| 9 | 18 | 
                                    
                                    4.3%
                                 | |
| Sysmiss | 549 |