| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 | 
                                    
                                    25.3%
                                 | |
| 2 | 18 | 
                                    
                                    22.8%
                                 | |
| 3 | 41 | 
                                    
                                    51.9%
                                 | |
| Sysmiss | 71 |