| Value | Category | Cases | |
|---|---|---|---|
| 1 | 168 | 
                                    
                                    10.1%
                                 | |
| 3 | 1466 | 
                                    
                                    88.4%
                                 | |
| 8 | 24 | 
                                    
                                    1.4%
                                 | |
| Sysmiss | 9192 |