| Value | Category | Cases | |
|---|---|---|---|
| 0 | 229 | 
                                    
                                    88.1%
                                 | |
| 1 | 30 | 
                                    
                                    11.5%
                                 | |
| 2 | 1 | 
                                    
                                    0.4%
                                 |