| Value | Category | Cases | |
|---|---|---|---|
| 0 | 403 | 
                                    
                                    76.5%
                                 | |
| 1 | 58 | 
                                    
                                    11%
                                 | |
| 2 | 28 | 
                                    
                                    5.3%
                                 | |
| 3 | 24 | 
                                    
                                    4.6%
                                 | |
| 4 | 5 | 
                                    
                                    0.9%
                                 | |
| 5 | 6 | 
                                    
                                    1.1%
                                 | |
| 6 | 1 | 
                                    
                                    0.2%
                                 | |
| 8 | 2 | 
                                    
                                    0.4%
                                 |