| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 | 
                                    
                                    0.2%
                                 | |
| 1 | 3020 | 
                                    
                                    91.4%
                                 | |
| 2 | 130 | 
                                    
                                    3.9%
                                 | |
| 3 | 135 | 
                                    
                                    4.1%
                                 | |
| 4 | 9 | 
                                    
                                    0.3%
                                 | |
| 5 | 3 | 
                                    
                                    0.1%
                                 | |
| Missing value | 38 |