| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 0 |
0%
|
| 2 | 3 |
15.8%
|
|
| 3 | 3 |
15.8%
|
|
| 4 | 1 |
5.3%
|
|
| 5 | 5 |
26.3%
|
|
| 7 | 1 |
5.3%
|
|
| 10 | 4 |
21.1%
|
|
| 15 | 1 |
5.3%
|
|
| 30 | 1 |
5.3%
|
|
| Sysmiss | 373 |