| Value | Category | Cases | |
|---|---|---|---|
| 3 | 3 | 
                                    
                                    33.3%
                                 | |
| 4 | 1 | 
                                    
                                    11.1%
                                 | |
| 5 | 1 | 
                                    
                                    11.1%
                                 | |
| 6 | 2 | 
                                    
                                    22.2%
                                 | |
| 7 | 2 | 
                                    
                                    22.2%
                                 | |
| Sysmiss | 558 |