| Value | Category | Cases | |
|---|---|---|---|
| 1 | 459 | 
                                    
                                    64.5%
                                 | |
| 3 | 180 | 
                                    
                                    25.3%
                                 | |
| 8 | 73 | 
                                    
                                    10.3%
                                 | |
| Sysmiss | 84 |