| Value | Category | Cases | |
|---|---|---|---|
| 7 | 2 | 
                                    
                                    2.8%
                                 | |
| 10 | 4 | 
                                    
                                    5.6%
                                 | |
| 11 | 2 | 
                                    
                                    2.8%
                                 | |
| 12 | 13 | 
                                    
                                    18.3%
                                 | |
| 13 | 12 | 
                                    
                                    16.9%
                                 | |
| 14 | 11 | 
                                    
                                    15.5%
                                 | |
| 15 | 9 | 
                                    
                                    12.7%
                                 | |
| 16 | 10 | 
                                    
                                    14.1%
                                 | |
| 17 | 4 | 
                                    
                                    5.6%
                                 | |
| 18 | 3 | 
                                    
                                    4.2%
                                 | |
| 20 | 1 | 
                                    
                                    1.4%
                                 | |
| Sysmiss | 4521 |