| Value | Category | Cases | |
|---|---|---|---|
| 1 | 145 | 
                                    
                                    28.2%
                                 | |
| 3 | 331 | 
                                    
                                    64.3%
                                 | |
| 8 | 39 | 
                                    
                                    7.6%
                                 | |
| Sysmiss | 281 |