| Value | Category | Cases | |
|---|---|---|---|
| 1 | 145 | 
                                    
                                    9.8%
                                 | |
| 2 | 1335 | 
                                    
                                    90.2%
                                 | |
| 99 | ND | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 20 |