| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 246 | 
                                    
                                    20.5%
                                 | 
| 2 | 1 | 934 | 
                                    
                                    77.8%
                                 | 
| 3 | 2 | 7 | 
                                    
                                    0.6%
                                 | 
| 4 | 3 | 7 | 
                                    
                                    0.6%
                                 | 
| 5 | 4 | 4 | 
                                    
                                    0.3%
                                 | 
| 6 | 5 | 1 | 
                                    
                                    0.1%
                                 | 
| 7 | 7 | 1 | 
                                    
                                    0.1%
                                 |