| Value | Category | Cases | |
|---|---|---|---|
| 6 | 4 | 
                                    
                                    0.3%
                                 | |
| 7 | 25 | 
                                    
                                    1.6%
                                 | |
| 8 | 137 | 
                                    
                                    8.7%
                                 | |
| 9 | 182 | 
                                    
                                    11.6%
                                 | |
| 10 | 284 | 
                                    
                                    18.1%
                                 | |
| 11 | 232 | 
                                    
                                    14.8%
                                 | |
| 12 | 195 | 
                                    
                                    12.5%
                                 | |
| 13 | 169 | 
                                    
                                    10.8%
                                 | |
| 14 | 119 | 
                                    
                                    7.6%
                                 | |
| 15 | 115 | 
                                    
                                    7.3%
                                 | |
| 16 | 72 | 
                                    
                                    4.6%
                                 | |
| 17 | 27 | 
                                    
                                    1.7%
                                 | |
| 18 | 3 | 
                                    
                                    0.2%
                                 | |
| 19 | 2 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 33 |