| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 13 |
28.3%
|
| 1 | 8 |
17.4%
|
|
| 2 | 7 |
15.2%
|
|
| 3 | 1 |
2.2%
|
|
| 4 | 1 |
2.2%
|
|
| 7 | 6 |
13%
|
|
| 12 | 1 |
2.2%
|
|
| 13 | 2 |
4.3%
|
|
| 14 | 2 |
4.3%
|
|
| 15 | 3 |
6.5%
|
|
| 17 | 1 |
2.2%
|
|
| 30 | 1 |
2.2%
|
|
| Sysmiss | 314 |