| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
14.3%
|
| -7 | Does not apply | 1 |
4.8%
|
| 1 | One day or less | 6 |
28.6%
|
| 2 | 4 |
19%
|
|
| 3 | 2 |
9.5%
|
|
| 4 | 1 |
4.8%
|
|
| 5 | 3 |
14.3%
|
|
| 15 | 1 |
4.8%
|
|
| Sysmiss | 221 |