| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
4.9%
|
| -7 | Does not apply (spontaneous) | 1 |
2.4%
|
| 0 | Less than one day | 4 |
9.8%
|
| 1 | 6 |
14.6%
|
|
| 2 | 8 |
19.5%
|
|
| 3 | 5 |
12.2%
|
|
| 4 | 4 |
9.8%
|
|
| 5 | 2 |
4.9%
|
|
| 7 | 1 |
2.4%
|
|
| 8 | 2 |
4.9%
|
|
| 14 | 1 |
2.4%
|
|
| 15 | 1 |
2.4%
|
|
| 16 | 1 |
2.4%
|
|
| 21 | 1 |
2.4%
|
|
| 22 | 1 |
2.4%
|
|
| 60 | 1 |
2.4%
|
|
| Sysmiss | 316 |