| Value | Category | Cases | |
|---|---|---|---|
| 0 | 614 | 
                                                                 
                                    
                                    97.3%
                                 
                                                             | 
                                                        
                    |
| 1 | 17 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    |
| -99 | 2 | ||
| Sysmiss | 24 |