| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 | 
                                    
                                    53.6%
                                 | |
| 2 | 9 | 
                                    
                                    32.1%
                                 | |
| 3 | 2 | 
                                    
                                    7.1%
                                 | |
| 4 | 1 | 
                                    
                                    3.6%
                                 | |
| 6 | 1 | 
                                    
                                    3.6%
                                 | |
| Sysmiss | 26 |