| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    5.9%
                                 | |
| 4 | 4 | 
                                    
                                    23.5%
                                 | |
| 5 | 11 | 
                                    
                                    64.7%
                                 | |
| 6 | 1 | 
                                    
                                    5.9%
                                 | |
| Sysmiss | 48216 |