| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 292 | 
                                    
                                    89%
                                 | 
| 2 | No | 34 | 
                                    
                                    10.4%
                                 | 
| 8 | 1 | 
                                    
                                    0.3%
                                 | |
| 9 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 1233 |