| Value | Category | Cases | |
|---|---|---|---|
| 0 | 132 | 
                                    
                                    13.4%
                                 | |
| 1 | 490 | 
                                    
                                    49.6%
                                 | |
| 2 | 258 | 
                                    
                                    26.1%
                                 | |
| 3 | 80 | 
                                    
                                    8.1%
                                 | |
| 4 | 17 | 
                                    
                                    1.7%
                                 | |
| 5 | 10 | 
                                    
                                    1%
                                 | |
| 7 | 1 | 
                                    
                                    0.1%
                                 |