| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 | 
                                    
                                    0.5%
                                 | |
| 4 | 4 | 
                                    
                                    2.1%
                                 | |
| 5 | 47 | 
                                    
                                    24.1%
                                 | |
| 6 | 109 | 
                                    
                                    55.9%
                                 | |
| 7 | 19 | 
                                    
                                    9.7%
                                 | |
| 8 | 14 | 
                                    
                                    7.2%
                                 | |
| 9 | 1 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 56 |