| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 | 
                                    
                                    0.1%
                                 | |
| 1 | 2 | 
                                    
                                    0%
                                 | |
| 99 | Unspecified | 21175 | 
                                    
                                    99.9%
                                 |