| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 128 | 
                                    
                                    0.6%
                                 | 
| 2 | No | 20788 | 
                                    
                                    98.1%
                                 | 
| 9 | Unspecified | 274 | 
                                    
                                    1.3%
                                 |