| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, observed | 976 | 
                                    
                                    49.6%
                                 | 
| 2 | Yes, not observed | 273 | 
                                    
                                    13.9%
                                 | 
| 3 | No | 718 | 
                                    
                                    36.5%
                                 |