| Value | Category | Cases | |
|---|---|---|---|
| 0 | Immediately | 684 |
6%
|
| 1 | Hours | 1622 |
14.2%
|
| 2 | Days | 232 |
2%
|
| 9 | Special | 7 |
0.1%
|
| Sysmiss | 8907 |
77.8%
|