| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9 | 
                                    
                                    0.2%
                                 | |
| 1 | 129 | 
                                    
                                    3.6%
                                 | |
| 98 | 3 | 
                                    
                                    0.1%
                                 | |
| Missing value | 3484 | 
                                    
                                    96.1%
                                 |