| Value | Category | Cases | |
|---|---|---|---|
| 0 | 91 | 
                                                                 
                                    
                                    98.9%
                                 
                                                             | 
                                                        
                    |
| 50 | 1 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 587 |