| Value | Category | Cases | |
|---|---|---|---|
| 7 | 2 | 
                                    
                                    0.6%
                                 | |
| 8 | 28 | 
                                    
                                    8.7%
                                 | |
| 9 | 41 | 
                                    
                                    12.7%
                                 | |
| 10 | 43 | 
                                    
                                    13.3%
                                 | |
| 11 | 50 | 
                                    
                                    15.5%
                                 | |
| 12 | 37 | 
                                    
                                    11.5%
                                 | |
| 13 | 42 | 
                                    
                                    13%
                                 | |
| 14 | 19 | 
                                    
                                    5.9%
                                 | |
| 15 | 25 | 
                                    
                                    7.7%
                                 | |
| 16 | 24 | 
                                    
                                    7.4%
                                 | |
| 17 | 9 | 
                                    
                                    2.8%
                                 | |
| 18 | 2 | 
                                    
                                    0.6%
                                 | |
| 20 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 1276 |