| Value | Category | Cases | |
|---|---|---|---|
| 7 | 5 | 
                                    
                                    0.4%
                                 | |
| 8 | 54 | 
                                    
                                    4.4%
                                 | |
| 9 | 130 | 
                                    
                                    10.5%
                                 | |
| 10 | 144 | 
                                    
                                    11.6%
                                 | |
| 11 | 51 | 
                                    
                                    4.1%
                                 | |
| 12 | 54 | 
                                    
                                    4.4%
                                 | |
| 13 | 171 | 
                                    
                                    13.8%
                                 | |
| 14 | 144 | 
                                    
                                    11.6%
                                 | |
| 15 | 95 | 
                                    
                                    7.7%
                                 | |
| 16 | 102 | 
                                    
                                    8.2%
                                 | |
| 17 | 109 | 
                                    
                                    8.8%
                                 | |
| 18 | 98 | 
                                    
                                    7.9%
                                 | |
| 19 | 63 | 
                                    
                                    5.1%
                                 | |
| 20 | 13 | 
                                    
                                    1.1%
                                 | |
| 21 | 4 | 
                                    
                                    0.3%
                                 |