| Value | Category | Cases | |
|---|---|---|---|
| 0 | IMMEDIATELY | 57 |
1.8%
|
| 1 | HOURS | 310 |
9.8%
|
| 2 | DAYS | 60 |
1.9%
|
| 9 | SPECIAL | 13 |
0.4%
|
| Sysmiss | 2717 |
86.1%
|