| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 | 
                                    
                                    55.6%
                                 | |
| 1 | 3 | 
                                    
                                    33.3%
                                 | |
| 4 | 1 | 
                                    
                                    11.1%
                                 | |
| Sysmiss | 1491 |