| Value | Category | Cases | |
|---|---|---|---|
| 1 | 990 | 
                                    
                                    17.5%
                                 | |
| 3 | 4598 | 
                                    
                                    81.5%
                                 | |
| 8 | 55 | 
                                    
                                    1%
                                 | |
| Sysmiss | 5207 |