| Value | Category | Cases | |
|---|---|---|---|
| 1 | 637 | 
                                    
                                    14.2%
                                 | |
| 3 | 3515 | 
                                    
                                    78.5%
                                 | |
| 8 | 326 | 
                                    
                                    7.3%
                                 | |
| Sysmiss | 15279 |