| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 | 
                                    
                                    0.1%
                                 | |
| 5 | 1 | 
                                    
                                    0.1%
                                 | |
| 6 | 5 | 
                                    
                                    0.3%
                                 | |
| 7 | 50 | 
                                    
                                    3.2%
                                 | |
| 8 | 135 | 
                                    
                                    8.7%
                                 | |
| 9 | 186 | 
                                    
                                    12%
                                 | |
| 10 | 249 | 
                                    
                                    16%
                                 | |
| 11 | 211 | 
                                    
                                    13.6%
                                 | |
| 12 | 198 | 
                                    
                                    12.7%
                                 | |
| 13 | 160 | 
                                    
                                    10.3%
                                 | |
| 14 | 149 | 
                                    
                                    9.6%
                                 | |
| 15 | 118 | 
                                    
                                    7.6%
                                 | |
| 16 | 79 | 
                                    
                                    5.1%
                                 | |
| 17 | 10 | 
                                    
                                    0.6%
                                 | |
| 18 | 1 | 
                                    
                                    0.1%
                                 | |
| 19 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 45 |