| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 148 | 
                                    
                                    27.4%
                                 | 
| 2 | No | 389 | 
                                    
                                    72%
                                 | 
| 8 | 3 | 
                                    
                                    0.6%
                                 | |
| Sysmiss | 310 |