| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 76 | 
                                    
                                    38.6%
                                 | 
| 2 | Weeks | 40 | 
                                    
                                    20.3%
                                 | 
| 3 | Months | 75 | 
                                    
                                    38.1%
                                 | 
| 4 | Years | 6 | 
                                    
                                    3%
                                 | 
| Sysmiss | 54 |