| Value | Category | Cases | |
|---|---|---|---|
| 0 | 276 | 
                                    
                                    37.7%
                                 | |
| 1 | 69 | 
                                    
                                    9.4%
                                 | |
| 2 | 79 | 
                                    
                                    10.8%
                                 | |
| 3 | 80 | 
                                    
                                    10.9%
                                 | |
| 4 | 42 | 
                                    
                                    5.7%
                                 | |
| 5 | 17 | 
                                    
                                    2.3%
                                 | |
| 6 | 3 | 
                                    
                                    0.4%
                                 | |
| 7 | 166 | 
                                    
                                    22.7%
                                 |