| Value | Category | Cases | |
|---|---|---|---|
| 1 | 248 | 
                                    
                                    16.8%
                                 | |
| 2 | 1229 | 
                                    
                                    83.2%
                                 | |
| 99 | ND | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 23 |