| Value | Category | Cases | |
|---|---|---|---|
| -8 | 1 | 0 | 
                                    
                                    0%
                                 | 
| 1 | 2 | 288 | 
                                    
                                    72.7%
                                 | 
| 2 | 3 | 108 | 
                                    
                                    27.3%
                                 | 
| Sysmiss | 4 | 0 | |
| Sysmiss | 5 | 0 | |
| Sysmiss | 6 | 0 | |
| Sysmiss | 7 | 0 | |
| Sysmiss | 4 |