| Value | Category | Cases | |
|---|---|---|---|
| 6 | 1 | 
                                    
                                    0.5%
                                 | |
| 7 | 2 | 
                                    
                                    0.9%
                                 | |
| 8 | 3 | 
                                    
                                    1.4%
                                 | |
| 9 | 15 | 
                                    
                                    7%
                                 | |
| 10 | 44 | 
                                    
                                    20.5%
                                 | |
| 11 | 36 | 
                                    
                                    16.7%
                                 | |
| 12 | 16 | 
                                    
                                    7.4%
                                 | |
| 13 | 28 | 
                                    
                                    13%
                                 | |
| 14 | 20 | 
                                    
                                    9.3%
                                 | |
| 15 | 21 | 
                                    
                                    9.8%
                                 | |
| 16 | 16 | 
                                    
                                    7.4%
                                 | |
| 17 | 5 | 
                                    
                                    2.3%
                                 | |
| 18 | 8 | 
                                    
                                    3.7%
                                 |