| Value | Category | Cases | |
|---|---|---|---|
| 5 | 2 | 
                                    
                                    11.1%
                                 | |
| 6 | 1 | 
                                    
                                    5.6%
                                 | |
| 8 | 1 | 
                                    
                                    5.6%
                                 | |
| 10 | 1 | 
                                    
                                    5.6%
                                 | |
| 15 | 3 | 
                                    
                                    16.7%
                                 | |
| 20 | 2 | 
                                    
                                    11.1%
                                 | |
| 21 | 1 | 
                                    
                                    5.6%
                                 | |
| 30 | 7 | 
                                    
                                    38.9%
                                 | |
| Sysmiss | 257 |