| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
8.3%
|
| -7 | Does not apply | 3 |
5%
|
| 1 | One day or less | 26 |
43.3%
|
| 2 | 3 |
5%
|
|
| 3 | 10 |
16.7%
|
|
| 5 | 3 |
5%
|
|
| 7 | 3 |
5%
|
|
| 10 | 2 |
3.3%
|
|
| 14 | 1 |
1.7%
|
|
| 15 | 1 |
1.7%
|
|
| 18 | 1 |
1.7%
|
|
| 30 | 1 |
1.7%
|
|
| 60 | 1 |
1.7%
|
|
| Sysmiss | 300 |