| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 3 | 
                                    
                                    0.1%
                                 | 
| 2 | O1 | 1562 | 
                                    
                                    33.5%
                                 | 
| 3 | O2 | 640 | 
                                    
                                    13.7%
                                 | 
| Missing value | 2455 | 
                                    
                                    52.7%
                                 |