| Value | Category | Cases | |
|---|---|---|---|
| 1 | 108 | 
                                    
                                    22.2%
                                 | |
| 2 | 351 | 
                                    
                                    72.1%
                                 | |
| 3 | 4 | 
                                    
                                    0.8%
                                 | |
| 7 | 11 | 
                                    
                                    2.3%
                                 | |
| 8 | 13 | 
                                    
                                    2.7%
                                 | |
| Sysmiss | 284 |