| Value | Category | Cases | |
|---|---|---|---|
| 1 | 87 | 
                                    
                                    21.3%
                                 | |
| 3 | 310 | 
                                    
                                    75.8%
                                 | |
| 8 | 12 | 
                                    
                                    2.9%
                                 | |
| Sysmiss | 1439 |