| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 | 
                                    
                                    8.3%
                                 | |
| 1 | 18 | 
                                    
                                    75%
                                 | |
| 2 | 3 | 
                                    
                                    12.5%
                                 | |
| 3 | 1 | 
                                    
                                    4.2%
                                 | |
| Sysmiss | 12212 |