| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    4.2%
                                 | |
| 1 | 14 | 
                                    
                                    58.3%
                                 | |
| 2 | 7 | 
                                    
                                    29.2%
                                 | |
| 6 | 1 | 
                                    
                                    4.2%
                                 | |
| 20 | 1 | 
                                    
                                    4.2%
                                 | |
| Sysmiss | 114 |