| Value | Category | Cases | |
|---|---|---|---|
| 1 | 321 | 
                                    
                                    9.3%
                                 | |
| 3 | 3114 | 
                                    
                                    89.9%
                                 | |
| 8 | 30 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 69 |