| Value | Category | Cases | |
|---|---|---|---|
| 1 | 650 | 
                                    
                                    6.1%
                                 | |
| 3 | 9999 | 
                                    
                                    93.8%
                                 | |
| 8 | 12 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 189 |