| Value | Category | Cases | |
|---|---|---|---|
| 25 | 3 | 
                                    
                                    1.2%
                                 | |
| 30 | 8 | 
                                    
                                    3.2%
                                 | |
| 47 | 3 | 
                                    
                                    1.2%
                                 | |
| Missing value | 233 | 
                                    
                                    94.3%
                                 |