| Value | Category | Cases | |
|---|---|---|---|
| 0 | 960 | 
                                    
                                    97.2%
                                 | |
| 1 | 23 | 
                                    
                                    2.3%
                                 | |
| 2 | 4 | 
                                    
                                    0.4%
                                 | |
| 6 | 1 | 
                                    
                                    0.1%
                                 |