| Value | Category | Cases | |
|---|---|---|---|
| 0 | immediately | 3087 |
13%
|
| 1 | hours | 3626 |
15.3%
|
| 2 | days | 439 |
1.9%
|
| 9 | missing | 41 |
0.2%
|
| Sysmiss | 16523 |
69.7%
|