| Value | Category | Cases | |
|---|---|---|---|
| 1 | 151 | 
                                    
                                    11.2%
                                 | |
| 3 | 991 | 
                                    
                                    73.5%
                                 | |
| 8 | 206 | 
                                    
                                    15.3%
                                 | |
| Sysmiss | 497 |