| Value | Category | Cases | |
|---|---|---|---|
| 0 | immediately | 1 | 
                                    
                                    25%
                                 | 
| 1 | hours | 0 | 
                                    
                                    0%
                                 | 
| 2 | days | 3 | 
                                    
                                    75%
                                 | 
| 9 | special answers | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 15347 |