| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 27 |
19.9%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 41 |
30.1%
|
| 1 | 22 |
16.2%
|
|
| 2 | 22 |
16.2%
|
|
| 3 | 5 |
3.7%
|
|
| 4 | 1 |
0.7%
|
|
| 5 | 3 |
2.2%
|
|
| 7 | 3 |
2.2%
|
|
| 10 | 3 |
2.2%
|
|
| 14 | 1 |
0.7%
|
|
| 16 | 1 |
0.7%
|
|
| 21 | 1 |
0.7%
|
|
| 30 | 6 |
4.4%
|
|
| Sysmiss | 462 |