| Value | Category | Cases | |
|---|---|---|---|
| 0 | IMMEDIATELY | 50 |
1.5%
|
| 1 | HOURS | 267 |
7.9%
|
| 2 | DAYS | 185 |
5.5%
|
| 9 | SPECIAL | 2 |
0.1%
|
| Sysmiss | 2887 |
85.1%
|