| Value | Category | Cases | |
|---|---|---|---|
| 3 | 1 | 
                                    
                                    7.7%
                                 | |
| 4 | 2 | 
                                    
                                    15.4%
                                 | |
| 5 | 4 | 
                                    
                                    30.8%
                                 | |
| 6 | 2 | 
                                    
                                    15.4%
                                 | |
| 7 | 4 | 
                                    
                                    30.8%
                                 | |
| Sysmiss | 387 |