| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes (observed) | 55 | 
                                    
                                    27.5%
                                 | 
| 2 | Yes (not observed) | 108 | 
                                    
                                    54%
                                 | 
| 3 | No | 37 | 
                                    
                                    18.5%
                                 |