| Value | Category | Cases | |
|---|---|---|---|
| 1 | 616 | 
                                    
                                    82.4%
                                 | |
| 3 | 129 | 
                                    
                                    17.2%
                                 | |
| 8 | 3 | 
                                    
                                    0.4%
                                 | |
| Sysmiss | 1100 |