| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
2.9%
|
| -7 | Does not apply | 0 |
0%
|
| 1 | One day or less | 34 |
50%
|
| 2 | 13 |
19.1%
|
|
| 3 | 6 |
8.8%
|
|
| 4 | 1 |
1.5%
|
|
| 5 | 8 |
11.8%
|
|
| 7 | 1 |
1.5%
|
|
| 10 | 2 |
2.9%
|
|
| 20 | 1 |
1.5%
|
|
| Sysmiss | 292 |