| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1771 | 
                                    
                                    99.5%
                                 | |
| 1 | yes | 0 | 
                                    
                                    0%
                                 | 
| 2 | no | 9 | 
                                    
                                    0.5%
                                 | 
| Sysmiss | 375 |