| Value | Category | Cases | |
|---|---|---|---|
| 1 | 129 | 
                                    
                                    6.6%
                                 | |
| 3 | 1771 | 
                                    
                                    90.6%
                                 | |
| 8 | 54 | 
                                    
                                    2.8%
                                 | |
| Sysmiss | 22990 |