| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 0 | 
                                    
                                    0%
                                 | 
| 2 | Weeks | 0 | 
                                    
                                    0%
                                 | 
| 3 | Months | 10 | 
                                    
                                    83.3%
                                 | 
| 4 | Years | 2 | 
                                    
                                    16.7%
                                 | 
| Sysmiss | 923 |