| Value | Category | Cases | |
|---|---|---|---|
| 1 | 9 | 
                                    
                                    6.6%
                                 | |
| 2 | 6 | 
                                    
                                    4.4%
                                 | |
| 3 | 40 | 
                                    
                                    29.4%
                                 | |
| 4 | 81 | 
                                    
                                    59.6%
                                 | |
| Sysmiss | 2 |