| Value | Category | Cases | |
|---|---|---|---|
| 0 | IMMEDIATELY | 47 |
2.5%
|
| 1 | HOURS | 199 |
10.4%
|
| 2 | DAYS | 98 |
5.1%
|
| 9 | SPECIAL | 4 |
0.2%
|
| Sysmiss | 1564 |
81.8%
|