| Value | Category | Cases | |
|---|---|---|---|
| 0 | 383 | 
                                    
                                    27.5%
                                 | |
| 1 | 488 | 
                                    
                                    35.1%
                                 | |
| 2 | 403 | 
                                    
                                    29%
                                 | |
| 3 | 97 | 
                                    
                                    7%
                                 | |
| 4 | 17 | 
                                    
                                    1.2%
                                 | |
| 5 | 3 | 
                                    
                                    0.2%
                                 | |
| 6 | 1 | 
                                    
                                    0.1%
                                 |