| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 | 
                                    
                                    7.7%
                                 | |
| 8 | 20 | 
                                    
                                    76.9%
                                 | |
| 9 | 4 | 
                                    
                                    15.4%
                                 | |
| Sysmiss | 250 |