| Value | Category | Cases | |
|---|---|---|---|
| 1 | 756 | 
                                    
                                    8%
                                 | |
| 3 | 8505 | 
                                    
                                    89.7%
                                 | |
| 8 | 223 | 
                                    
                                    2.4%
                                 | |
| Sysmiss | 979 |