| Value | Category | Cases | |
|---|---|---|---|
| 1 | 313 | 
                                    
                                    27.6%
                                 | |
| 3 | 784 | 
                                    
                                    69.1%
                                 | |
| 8 | 38 | 
                                    
                                    3.3%
                                 | |
| Sysmiss | 37 |