| Value | Category | Cases | |
|---|---|---|---|
| 6 | 11 | 
                                    
                                    0.5%
                                 | |
| 7 | 40 | 
                                    
                                    1.7%
                                 | |
| 8 | 111 | 
                                    
                                    4.7%
                                 | |
| 9 | 325 | 
                                    
                                    13.8%
                                 | |
| 10 | 480 | 
                                    
                                    20.4%
                                 | |
| 11 | 390 | 
                                    
                                    16.6%
                                 | |
| 12 | 278 | 
                                    
                                    11.8%
                                 | |
| 13 | 229 | 
                                    
                                    9.7%
                                 | |
| 14 | 209 | 
                                    
                                    8.9%
                                 | |
| 15 | 152 | 
                                    
                                    6.5%
                                 | |
| 16 | 81 | 
                                    
                                    3.4%
                                 | |
| 17 | 36 | 
                                    
                                    1.5%
                                 | |
| 18 | 6 | 
                                    
                                    0.3%
                                 | |
| 19 | 1 | 
                                    
                                    0%
                                 | |
| Sysmiss | 2201 |