| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 | 
                                    
                                    0.4%
                                 | |
| 3 | 677 | 
                                    
                                    98.1%
                                 | |
| 8 | 10 | 
                                    
                                    1.4%
                                 | |
| Sysmiss | 1189 |