| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
27.8%
|
| -7 | Does not apply | 4 |
5.6%
|
| 1 | One day or less | 21 |
29.2%
|
| 2 | 17 |
23.6%
|
|
| 3 | 4 |
5.6%
|
|
| 4 | 1 |
1.4%
|
|
| 5 | 1 |
1.4%
|
|
| 7 | 3 |
4.2%
|
|
| 8 | 1 |
1.4%
|
|
| Sysmiss | 199 |