| Value | Category | Cases | |
|---|---|---|---|
| 1 | 57 | 
                                    
                                    17.2%
                                 | |
| 3 | 256 | 
                                    
                                    77.3%
                                 | |
| 8 | 18 | 
                                    
                                    5.4%
                                 | |
| Sysmiss | 1514 |