| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 | 
                                    
                                    0.9%
                                 | |
| 3 | 340 | 
                                    
                                    98%
                                 | |
| 8 | 4 | 
                                    
                                    1.2%
                                 | |
| Sysmiss | 3187 |