| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 40 | 
                                    
                                    3.3%
                                 | 
| 2 | No | 1073 | 
                                    
                                    88.7%
                                 | 
| 8 | 97 | 
                                    
                                    8%
                                 | |
| Sysmiss | 1 |