| Value | Category | Cases | |
|---|---|---|---|
| 1 | 388 | 
                                    
                                    2.8%
                                 | |
| 3 | 13449 | 
                                    
                                    96.3%
                                 | |
| 8 | 126 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 683 |