| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 | 
                                    
                                    2.3%
                                 | |
| 2 | 434 | 
                                    
                                    49.3%
                                 | |
| 3 | 426 | 
                                    
                                    48.4%
                                 | |
| Sysmiss | 292 |