| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 | 
                                    
                                    20.8%
                                 | |
| 2 | 23 | 
                                    
                                    31.9%
                                 | |
| 3 | 31 | 
                                    
                                    43.1%
                                 | |
| 4 | 3 | 
                                    
                                    4.2%
                                 | |
| Sysmiss | 1029 |