| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
5%
|
| -7 | Does not apply (spontaneous) | 1 |
1%
|
| 0 | Less than one day | 9 |
8.9%
|
| 1 | 9 |
8.9%
|
|
| 2 | 14 |
13.9%
|
|
| 3 | 15 |
14.9%
|
|
| 4 | 6 |
5.9%
|
|
| 5 | 2 |
2%
|
|
| 7 | 18 |
17.8%
|
|
| 10 | 3 |
3%
|
|
| 14 | 13 |
12.9%
|
|
| 30 | 3 |
3%
|
|
| 32 | 1 |
1%
|
|
| 45 | 1 |
1%
|
|
| 90 | 1 |
1%
|
|
| Sysmiss | 206 |