| Value | Category | Cases | |
|---|---|---|---|
| 1 | 461 | 
                                    
                                    34.2%
                                 | |
| 3 | 529 | 
                                    
                                    39.2%
                                 | |
| 8 | 359 | 
                                    
                                    26.6%
                                 | |
| Sysmiss | 496 |