| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 12 | 
                                    
                                    4.9%
                                 | 
| 2 | Yes | 5 | 
                                    
                                    2%
                                 | 
| Missing value | 230 | 
                                    
                                    93.1%
                                 |