| Value | Category | Cases | |
|---|---|---|---|
| 0 | 48 | 
                                    
                                    1.3%
                                 | |
| 1 | 78 | 
                                    
                                    2.2%
                                 | |
| 98 | 15 | 
                                    
                                    0.4%
                                 | |
| Missing value | 3484 | 
                                    
                                    96.1%
                                 |