| Value | Category | Cases | |
|---|---|---|---|
| -8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 3 | 10 | 
                                    
                                    6.2%
                                 | |
| 4 | 40 | 
                                    
                                    24.7%
                                 | |
| 5 | 46 | 
                                    
                                    28.4%
                                 | |
| 6 | 26 | 
                                    
                                    16%
                                 | |
| 7 | 24 | 
                                    
                                    14.8%
                                 | |
| 8 | 14 | 
                                    
                                    8.6%
                                 | |
| 9 | 2 | 
                                    
                                    1.2%
                                 | |
| Sysmiss | 793 |