| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 | 
                                    
                                    0.1%
                                 | |
| 1 | 2856 | 
                                    
                                    71.9%
                                 | |
| 2 | 173 | 
                                    
                                    4.4%
                                 | |
| 3 | 851 | 
                                    
                                    21.4%
                                 | |
| 6 | 89 | 
                                    
                                    2.2%
                                 | |
| Missing value | 2760 |