| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
5.9%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 1 |
5.9%
|
| 1 | 1 |
5.9%
|
|
| 2 | 6 |
35.3%
|
|
| 3 | 2 |
11.8%
|
|
| 4 | 2 |
11.8%
|
|
| 5 | 1 |
5.9%
|
|
| 7 | 1 |
5.9%
|
|
| 14 | 2 |
11.8%
|
|
| Sysmiss | 290 |