| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    0.7%
                                 | |
| 1 | Yes | 117 | 
                                    
                                    86.7%
                                 | 
| 2 | No | 16 | 
                                    
                                    11.9%
                                 | 
| 3 | 1 | 
                                    
                                    0.7%
                                 | |
| Sysmiss | 298 |