| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes (observed) | 81 | 
                                    
                                    46.8%
                                 | 
| 2 | Yes (not observed) | 44 | 
                                    
                                    25.4%
                                 | 
| 3 | No | 48 | 
                                    
                                    27.7%
                                 | 
| Sysmiss | 27 |