| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
11.1%
|
| -7 | Does not apply | 6 |
6.7%
|
| 1 | One day or less | 15 |
16.7%
|
| 2 | 12 |
13.3%
|
|
| 3 | 10 |
11.1%
|
|
| 4 | 2 |
2.2%
|
|
| 5 | 5 |
5.6%
|
|
| 7 | 4 |
4.4%
|
|
| 8 | 1 |
1.1%
|
|
| 10 | 9 |
10%
|
|
| 12 | 4 |
4.4%
|
|
| 15 | 11 |
12.2%
|
|
| 30 | 1 |
1.1%
|
|
| Sysmiss | 908 |