| Value | Category | Cases | |
|---|---|---|---|
| 1 | . | 12 | 
                                    
                                    4.4%
                                 | 
| 2 | 0 | 38 | 
                                    
                                    13.8%
                                 | 
| 3 | 1 | 225 | 
                                    
                                    81.8%
                                 |