| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 83 | 
                                    
                                    4.6%
                                 | 
| 1 | Yes | 1721 | 
                                    
                                    94.5%
                                 | 
| 999 | Refused/Skipped | 18 | 
                                    
                                    1%
                                 |