| Value | Category | Cases | |
|---|---|---|---|
| 1 | 10 | 
                                    
                                    3.4%
                                 | |
| 3 | 274 | 
                                    
                                    93.8%
                                 | |
| 8 | 8 | 
                                    
                                    2.7%
                                 | |
| Sysmiss | 257 |