| Value | Category | Cases | |
|---|---|---|---|
| 0 | 38 | 
                                    
                                    30.9%
                                 | |
| 1 | 25 | 
                                    
                                    20.3%
                                 | |
| 2 | 20 | 
                                    
                                    16.3%
                                 | |
| 3 | 11 | 
                                    
                                    8.9%
                                 | |
| 4 | 21 | 
                                    
                                    17.1%
                                 | |
| 5 | 4 | 
                                    
                                    3.3%
                                 | |
| 6 | 1 | 
                                    
                                    0.8%
                                 | |
| 7 | 3 | 
                                    
                                    2.4%
                                 |