| Value | Category | Cases | |
|---|---|---|---|
| 0 | 156 | 
                                    
                                    19.8%
                                 | |
| 10 | 98 | 
                                    
                                    12.5%
                                 | |
| 12 | 111 | 
                                    
                                    14.1%
                                 | |
| 15 | 108 | 
                                    
                                    13.7%
                                 | |
| 17 | 122 | 
                                    
                                    15.5%
                                 | |
| 18 | 45 | 
                                    
                                    5.7%
                                 | |
| 20 | 50 | 
                                    
                                    6.4%
                                 | |
| 6 | 52 | 
                                    
                                    6.6%
                                 | |
| 8 | 45 | 
                                    
                                    5.7%
                                 |