| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 0 |
0%
|
| 1 | 2 |
4.7%
|
|
| 2 | 1 |
2.3%
|
|
| 3 | 3 |
7%
|
|
| 5 | 2 |
4.7%
|
|
| 7 | 2 |
4.7%
|
|
| 9 | 1 |
2.3%
|
|
| 10 | 2 |
4.7%
|
|
| 12 | 2 |
4.7%
|
|
| 13 | 2 |
4.7%
|
|
| 14 | 23 |
53.5%
|
|
| 21 | 2 |
4.7%
|
|
| 22 | 1 |
2.3%
|
|
| Sysmiss | 107 |