| Value | Category | Cases | |
|---|---|---|---|
| 0 | 30 | 
                                    
                                    1.1%
                                 | |
| 1 | 2513 | 
                                    
                                    88.2%
                                 | |
| 2 | 295 | 
                                    
                                    10.4%
                                 | |
| 3 | 12 | 
                                    
                                    0.4%
                                 | |
| Missing value | 1216 |