| Value | Category | Cases | |
|---|---|---|---|
| 1 | 752 | 
                                    
                                    6%
                                 | |
| 2 | 2218 | 
                                    
                                    17.7%
                                 | |
| 3 | 2975 | 
                                    
                                    23.7%
                                 | |
| 4 | 6602 | 
                                    
                                    52.6%
                                 | |
| Missing value | 11265 |