| Value | Category | Cases | |
|---|---|---|---|
| -8 | 1 | 0 | 
                                    
                                    0%
                                 | 
| 1 | 2 | 91 | 
                                    
                                    26.9%
                                 | 
| 2 | 3 | 247 | 
                                    
                                    73.1%
                                 | 
| Sysmiss | 4 | 0 | |
| Sysmiss | 5 | 0 | |
| Sysmiss | 6 | 0 | |
| Sysmiss | 7 | 0 | |
| Sysmiss | 62 |