| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
6.3%
|
| -7 | Does not apply (spontaneous) | 2 |
1.1%
|
| 1 | One day or less | 8 |
4.5%
|
| 2 | 19 |
10.8%
|
|
| 3 | 47 |
26.7%
|
|
| 4 | 11 |
6.3%
|
|
| 5 | 24 |
13.6%
|
|
| 6 | 3 |
1.7%
|
|
| 7 | 16 |
9.1%
|
|
| 8 | 5 |
2.8%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 19 |
10.8%
|
|
| 15 | 8 |
4.5%
|
|
| 30 | 2 |
1.1%
|
|
| Sysmiss | 584 |