| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 10 |
3.3%
|
| 1 | Within 1 hour | 173 |
57.5%
|
| 2 | 1st day, after 1 hour | 84 |
27.9%
|
| 3 | After 2 or more days | 34 |
11.3%
|
| Sysmiss | 1908 |