| Value | Category | Cases | |
|---|---|---|---|
| 0 | immediately | 1583 |
13.5%
|
| 1 | hours | 494 |
4.2%
|
| 2 | days | 79 |
0.7%
|
| 9 | special | 8 |
0.1%
|
| Sysmiss | 9573 |
81.6%
|