| Value | Category | Cases | |
|---|---|---|---|
| 1 | 131 | 
                                    
                                    8.6%
                                 | |
| 3 | 1359 | 
                                    
                                    88.9%
                                 | |
| 8 | 39 | 
                                    
                                    2.6%
                                 | |
| Sysmiss | 350 |