| Value | Category | Cases | |
|---|---|---|---|
| 1 | 224 | 
                                    
                                    19.8%
                                 | |
| 3 | 873 | 
                                    
                                    77.2%
                                 | |
| 8 | 34 | 
                                    
                                    3%
                                 | |
| Sysmiss | 1 |