| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 7 | 
                                    
                                    0.3%
                                 | 
| 1 | Yes | 726 | 
                                    
                                    26.6%
                                 | 
| 2 | No | 1993 | 
                                    
                                    73.1%
                                 | 
| Sysmiss | 1274 |