| Value | Category | Cases | |
|---|---|---|---|
| 3 | 18 | 
                                    
                                    58.1%
                                 | |
| 4 | 1 | 
                                    
                                    3.2%
                                 | |
| 5 | 3 | 
                                    
                                    9.7%
                                 | |
| 6 | 4 | 
                                    
                                    12.9%
                                 | |
| 7 | 2 | 
                                    
                                    6.5%
                                 | |
| 8 | 3 | 
                                    
                                    9.7%
                                 | |
| Sysmiss | 6979 |