| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 | 
                                    
                                    37.5%
                                 | |
| 3 | 1 | 
                                    
                                    12.5%
                                 | |
| 4 | 1 | 
                                    
                                    12.5%
                                 | |
| 10 | 2 | 
                                    
                                    25%
                                 | |
| 15 | 1 | 
                                    
                                    12.5%
                                 | |
| Sysmiss | 989 |