| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 | 
                                    
                                    0.5%
                                 | |
| 1 | 894 | 
                                    
                                    32.1%
                                 | |
| 2 | 1037 | 
                                    
                                    37.2%
                                 | |
| 3 | 842 | 
                                    
                                    30.2%
                                 | |
| Missing value | 556 |